What's the purpose of the body's immune system?
A To block pathogens from infecting the body
B To fight off infections
D All of the above

Answers

Answer 1

Answer:

D. All of the above

Explanation:

Can't see option C, but since the other two options are functions of the immune system, I assume it'd be true. The immune system is meant to protect the body from infections.

Have a great day!


Related Questions

why do all the planets in the solar system orbit the sun in the same direction ?

Answers

Answer:

The result of the initial rotation of the cloud of gas and dust that condensed to form the Sun and planets. As gravity condensed the clouds, of angular momentum increased the rotational speed and flattened the cloud out into a disk.

effect of time on the digestion of starch

Answers

Answer:

60 minutes im pretty sure

Hello can someone help?
Im confused

Answers

Answer:

Maybe B

Explanation:

Hi! I'm not sure... If you want to take the risk, go ahead... But IF it's correct pls mark me the brainliest

Glomerular filtrate comprises of water, glucose, amino acids and creatine. Which among the above are reabsorbed actively and rapidly by blood?

Answers

Answer:

Glucose, amino acids are rapidly reabsorbed actively by blood.

Explanation:

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When talking about the products of photosynthesis, why is it a HUGE issue when a vast amount of the rainforests is dying along with vast amounts of forests from fires/deforestation? Remember, we know that this hurts the ecosystems of animals living there, but what else does it effect?

Question 5 options:

the creation of carbon dioxide


the creation of carbon monoxide


the creation of too much smoke


the creation of oxygen

Answers

Answer: the creation of oxygen

Explanation:

took the K12 Quiz (Note: not to sure its right if it aint so so sorry!)

HELP ME FAST SMART PEOPLE PLEASE HEHE LOL:)

Answers

Answer:B

Explanation:

Asorbs the heat

Big thanks to anyone that can help with this <3

Answers

Answer:

1a. To collect and remove waste materials from the body.

2c. Urinary bladder.

3d. Urea

4c. Remove urea and excess water.

Explanation:

The main function of our excretory system is to collect and remove waste materials from our body because these waste materials are toxic and cause damaged our body. Urinary bladder is the organ that stores urine. Urea is present in the urine under normal conditions of the body which is waste material produced our body. The main function of kidney is to remove urea and excess water from our body.

How are single double and triple bonds similar

Answers

Answer:

Double and triple covalent bonds are stronger than single covalent bonds and they are characterized by the sharing of four or six electrons between atoms, respectively.

Explanation:

Which mealworm behaviors were reflexes

Answers

Being hungry or having a dry mouth is an instinctive behavior in humans. 2 Which mealworm behaviors were reflexes? Why? The ones where the mealworm was touched by feathers or metal pins were reflex behaviors, because they were a stimulus, and the mealworm had no control over its reaction.


5. Using the picture below, fill in the correct word that corresponds with each letter
A.
B
В.
C
D
6CO2 + 6H20,+ Energy,
C6H12O6 + 602
+
F
C
D
E
F
G
GO
H
This is the formula for:
H Н.

Answers

Answer:

ano yan depota

Explanation:

pota pota

Are physical characteristics of an organism not genetically passed down?

Answers

That is false. Physical characteristics of an organism are genetically passed down.

—Evidence—

A characteristic that an organism can pass on to its offspring through its genes.

The set of information that controls a trait; a segment of DNA on a chromosone that codes for a specific trait.

Heredity is the biological process responsible for passing on physical traits from one generation to another.

Your body uses feedback mechanisms to help maintain a stable internal environment called homeostasis. Changes can come from outside or inside the body and the body must respond to these adverse changes to return to a steady state. One such example is what happens when you go for a run on a hot summer day and your body temperature increases. According to the diagram, one of the mechanisms used to cool down is vasodilation. Similar mechanisms are also used when your body temperature drops due to a cold environment. Which of these would NOT help return a body to homeostasis by increasing body temperature?
A) shivering
B) vasoconstriction
C) muscles contract
D) increasing blood pressure

Answers

Answer:

Option D increasing blood pressure.

Explanation:

Increasing blood pressure

What is feedback mechanism in homeostasis?

Homeostasis is generally maintained by a negative feedback loop that includes a stimulus , sensor , control center , and effector . Negative feedback serves to reduce an excessive response and to keep a variable within the normal range.

What are the two feedback mechanisms which work to maintain homeostasis?

Homeostasis typically involves negative feedback loops that counteract changes of various properties from their target values, known as set points. In contrast to negative feedback loops, positive feedback loops amplify their initiating stimuli, in other words, they move the system away from its starting state.

To learn more about homeostasis here

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respiration is a ____________ reaction on which sugar is oxidized to produce energy ​

Answers

Answer:

chemical

Explanation:

Respiration is a redox reaction on which sugar is oxidized to produce energy .

What is respiration?

Cellular respiration is a sequence of chemical events that break down glucose to produce ATP, which can then be utilized as energy to power a variety of reactions throughout the body. Glycolysis, the citric acid cycle, and oxidative phosphorylation are the three basic processes that take place during cellular respiration.

Animals and humans use breathing to get the oxygen they need for cellular respiration. In order to create ATP, the nutrients you absorb through food must be broken down by the oxygen you breathe, while carbon dioxide and  water are generated as waste products.

Learn more about cellular respiration, here:

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I’m begging you to please help me in this anyt this please

In squash, the allele for white fruit (W) is dominant over the allele for yellow (w). If a white fruit plant is crossed with a yellow fruit plant and all the offspring are yellow, what are the possible genotypes ofthe parents and the offspring? Show the Punnett square.

Parents: &


Offspring:

Answers

Answer:

Well the white allele had to be Ww.

Explanation:

So you cross them and you 50% white and 50% yellow if the white parent was Ww.

is ecosystem generally stable; how is that possible?

Answers

Answer:

Citation: Cleland, E. E. (2011) Biodiversity and Ecosystem Stability. ... traits, and species that share similar suites of traits are often categorized together into ... Biologically diverse communities are also more likely to contain species that confer

Explanation:

Which statement best explains how the gases of the atmosphere affect the temperature of Earth?

Answers

The atmosphere today contains more greenhouse gas molecules, so more of the infrared energy emitted by the surface ends up being absorbed by the atmosphere. Since some of the extra energy from a warmer atmosphere radiates back down to the surface, Earth's surface temperature rises.

Type the correct answer in the box. Spell all words correctly.
Which gas prevents the spread of fire and extinguishes it?
Blank. is a type of compressed gas that prevents the spread of fire and extinguishes it.
Help ASAP !!!

Answers

Sodium Bicarbonate which releases a cloud of Carbon dioxide gas which can prevent the spread of fire and extinguish it

Answer:

Halon

Explanation:

I got it correct on Plato

Waves turn rocks into ___________________; it’s erosion.

Answers

Answer:

sand?

Explanation:

[tex]\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}[/tex]

when waves turn rocks in to smaller rocks or sand... it's erosion

What does semiconservative replication refer to?
a
Both strands are new in each new DNA molecule.
Both strands are conserved in each new DNA
molecule.
с
One strand is conserved and one strand is new in
each new DNA molecule.
d none of the above

Answers

Answer:

it is a

Explanation:

Both strands are new in each new DNA molecule.

What can you conclude about the effect of exercise on breath rate? Why is this so?

Answers

Explanation:

With exercise, cells need more oxygen, so the breath rate increases to provide the oxygen needed

Make a concept map with the following terms:
Stimulus, function of relation, response senses or receptors, touch, smell, environment, individual, stimulus, taste, hearing, sight, processing center, nervous system, somatic, central nervous system, peripheral nervous system, neurons, synapses, sensory, brain, motor, interneurons, electrical, chemical, spinal cord, autonomic, voluntary and involuntary actions

Please is for today :(

Answers

Answer: igu bro, ok first u add my bbrother to class and then u subrtarct the ugly kids and you omneof them so dieeeee

Explanation:

The evidence Alfred Wegener used for his continental drift hypothesis did not include glacial movement. types of rocks and mountain ranges. oceanic vocanoes. fossilized remains of ancient plants.

Answers

Answer:

oceanic vocanoes

Explanation:

The continental drift is an idea that the continents can move. Alfred wegner in his evidence of this phenomenon used the following hypothesis:

Rocks of same age and type formed side by side and these rocks drifted apart to separate continents. Also as continents drifted apart mountain ranges separated.

Alfred used movements from ancient glaciers as evidence,

Fossils of dead plants and ancient animals also served as evidence. The fossils of these plants and animals were found on land areas that are now far apart. Wegner concluded that the continental drift was what separated the remains of these fossils.

All of the above was used as evidence. What was not used as hypothesis by Wegner was oceanic volcanoes

Wegener used fossil evidence to support his continental drift hypothesis. The fossils of these organisms are found on lands that are now far apart. Grooves.

What are the inputs and outputs of cellular respiration and photosynthesis?
carbon
dioxide
oxygen
energy
Mater
sugar
Photosynthesis
Cellular Respiration
Inputs
Outputs

Answers

Answer: inputs of cellular respiration? Glucose, oxygen

outputs of cellular respiration? Carbon dioxide, water, energy (ATP)

In photosynthesis, water, carbon dioxide, and energy in the form of sunlight are inputs, and the outputs are glucose and oxygen.

Explanation:

Si fuimos creados para la felicidad ¿Por qué la mayoría de las personas viven sus vidas de manera infeliz? Escribe por las menos 3 razones

Answers

Answer: esto se deve a la monotonia por ejemplo el trabajo hacer eso todos los dias es estresante

tambien puede ser devido a problemas personales por ejemplo un divorcio la muerte de algun familiar.

o pueden ser las condiciones de vida que se poseen

Explanation:

What are created during the process of translation?

Answers

Answer:

a gene expression

Explanation:

and

8.What attaches muscles to bones?

veins
tendons
ligaments
joints

Answers

Tenons attach the muscles to the bones

9 What happens to oceanic plates at convergent boundaries? A One is forced underneath the other to form trenches B. They move in opposite directions C They get bigger as new crust is formed D They push against each other to form ridges 9 of 10​

Answers

Answer:

a

Explanation:

Water, ice, wind, sand, and chemicals are constantly crumbling mountains, flattening hills, widening valleys, and deepening canyons. __________________ never stops

Answers

Answer:

erosion

Explanation:

All the information necessary for an organism to form and grow is recorded in the organism’s DNA. How does DNA use its stored information to express a trait?

A. Every time the DNA replicates, traits are expressed.
B. The nucleotides in the DNA bind with amino acids in order to direct the cell's
functions.
C. Codons in the DNA stimulate the DNA to replicate.
D. The genes in the DNA instruct the cell to synthesize proteins.

Answers

mm I think it is number 3.

Answer:

it's B The nucleotides in the DNA bind with amino acids in order to direct the cell's

functions.

Explanation:

Scientists study telomeres in order to understand more about

Answers

Answer:

They study telomeres to understand the structure of life and death when cells and organs wear out.

Explanation1:

It's the specific DNA of protein structured found a both ends of each chromosome

Explanation2:

Definition: A compound structure at the end of a chromosome.

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