Which of the following is one way that the circulatory system helps maintain body temperature?A. carrying heat around the body
B. speeding up the blood flow to generate heat
C. controlling the flow of blood to the skin
D. carrying nutrients and energy to cells

Answers

Answer 1

Answer:

Answer:

One way through which the circulatory system helps maintain body temperature is controlling the flow of blood to the skin (option C).

Explanation:

In situations of low ambient temperatures, one of the mechanisms to prevent the loss of body heat is the decrease in blood flow that reaches the skin.

In the presence of cold, body thermoreceptors send a signal to the nervous system, which arrives to the hypothalamic thermoregulation centers, activating body responses to maintain body temperature.

One of the responses to cold is peripheral vasoconstriction - closure of blood vessels in the skin - and the derivation of blood flow to vital organs. This produces the paleness that is observed in the skin when a person is exposed to cold.

Peripheral vasoconstriction is a way of controlling the blood flow to the skin to maintain body temperature.

Learn more:

Thermoregulationbrainly.com/question/7450241

Answer 2

Answer:

Answer:

the correct option is C

Explanation:

I took the test

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Which of the following monomers would be used to make the double helix of a DNA molecule?

Answers

The monomers that would be used to make the double helix of a DNA molecule are the phosphorus+ sugar+ base. The correct option is A.

What is DNA?

DNA is a genetic material that is present in the nucleus of the cell. It is present in all plants and animals. This is the important material in the body that makes every individual unique.

DNA is made up of three substances. They are phosphorus sugar, which makes the backbone of the helix. The bases are present in between the helices, they are joined by hydrogen bonds.

There are two hydrogen bonds present between adenine and thymine. There are three hydrogen bonds present between guanine and cytosine. The bases keep the two helices together.

Thus, the correct option is A, phosphorus+ sugar+ base.

To learn more about DNA, refer to the below link:

brainly.com/question/22499464

#SPJ5

Answer is option a would be definitely right

Describe the post-fertilization changes in a flower

Answers

Answer:

Changes which occur after fertilisation is called post fertilisation.

1.ovary changes to fruit and wall of ovary changes to fruitwall

2.ovule changes to seed and ovule layer changes to seed coat

3.diploid zygote changes to diploid embryowhich develop into young plant

Hey hope this helps you! Please let me know if any further help is needed !

Answer:

hi I'm an Indian girl ........

When you sit indoors near a window on a sunny day your skin gets warm how does this happen?F. The Suns energy reaches your skin as radiation.
G. Heat from the sun reaches your skin by conduction.
H. The Suns energy is conducted to your skin by the glass
I. Heat from the room is reflected from the Windows onto your skin

Answers

H. The suns energy is conducted to your skin by the glass.

Which movement is not associated with the scapula?

Answers

stabbing it into someone's arm

"A researcher has determined that a newly identified protein can bind to a virus. This marks the virus for destruction by white blood cells."What type of monomer will the researcher discover after subjugating the molecule to hydrolysis?
a. fatty acid
b. amino acid
c. nucleotide
d. monosaccharide