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tatiyna
3 years ago
11

Help please and thanks

Biology
1 answer:
tangare [24]3 years ago
8 0

Answer:

2.1 = veins

2.2 = heart

2.3 = blood vessels

2.4 = arteries

2.5 = capillaries

Explanation:

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horsena [70]

Answer: Organ

Check my answer

Explanation:

5 0
3 years ago
How does the plasma membrane contribute to the structure and function of the cell?
Ivenika [448]

Answer:

it keeps the organelles in the cell and gives hydration

Explanation:

3 0
2 years ago
Iodine products that are used on human tissues as anti-infection agents are called
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Iodine products that are used on human tissues as anti-infection agents are called antiseptic. The antiseptics are used and applied on a tissue in order to reduce the possibility of infection, sepsis, or putrefaction. They i<span>nclude hydrogen peroxide, rubbing alcohol, and iodine. 
The most commonly usage is </span><span> cleaning  the skin before an injection  and cleaning wounds.</span>
7 0
3 years ago
Random mutations can occur in an organism's DNA, causing traits that are different from other organisms in that species. Sometim
Lelechka [254]
<span /><span>

-The mutation could make it easier for an organism to obtain food.
-yes, a correct anwer!

-The mutation could make an organism need more food.
-no, this would make it harder for the organism to survive

-The mutation could improve the organism's sight.
-yes! better sight means more information, which is beneficial

- The mutation could let the organism run faster.
-running faster means advantage over pray and predator - also a correct answer

so all are correct except on the second one.
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6 0
3 years ago
What is dna? how do scientists isolate dna in order to study it? how does dna differ from person to person? how can tools of mol
bagirrra123 [75]
Deoxyribonucleic acid
3 0
3 years ago
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