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Gnom [1K]
3 years ago
15

What does not deliver deoxygenated blood to the heart?

Biology
1 answer:
FrozenT [24]3 years ago
4 0

Answer:

Pulmonary veins

Explanation:

In the circulatory system, the heart is responsible for for pumping oxygenated blood throughout the body and deoxygenated blood to the heart.

Normally all veins carry deoxygenated blood. However the pulmonary vein is the only vein that carries oxygenated blood.

They carry oxygenated blood from the lungs to the heart.

However the Superior and inferior vena cava are responsible for delivering deoxygenated blood to the heart.

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What result would you expect if a mutation eliminates one of the four arms of a tRNA? a) The tRNA will fit into the A site but w
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Answer:

B

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3 years ago
A)what would happen to the quantity of sweat when temperature increases? explain why it happen.
Brrunno [24]

i'm sorry i didn't understand b and c but i can help you with a)

Explanation:

The human body has the ability to thermoregulate, so when the temperature rises, the blood vessels dilate, and the body emits more heat than it receives, and therefore sweat is released to cool the body. Hence, the higher the temperature the greater the sweating

hope it helps ;)

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3 years ago
Tim and Stephanie are devastated when they find out their newborn son has hemophilia - an x-
IrinaK [193]

First of all, hemophilia is an x-linked recessive and recessive disease. So it's a genetic disease.

  • Therefore, there is no possibility of snatching it from his son. It can come from mom or dad. If the mother and father do not have this disease, as in the question, the mother carries this disease recessively. If it was a girl, she would be less likely to get the disease, as she would have to inherit the genotype of this disease from both the mother and the father. however, since her children are boys, she received the disease gene from the mother's recessive gene region. Therefore, the boy has hemophilia in the XhY genotype.
7 0
3 years ago
Question 1 of 34
Ivenika [448]

Answer:

A) They occupy different niches due to competition for food.

Explanation:

According to Joseph Grinnel - "An ecological niche is the distributional unit within which each species is held by its structural and instinctive limitation. No two species in the same general territory can occupy the same ecological niche". Hence, the two lizard species have separated their trophic niches i.e. the ecological niche in which they feed, as they both have common preys that is the insects. this will avoid competition and would provide enough food for both the species.

3 0
3 years ago
I'LL GIVE BRAINLIEST: CHOOSE TWO PHRASES
Mekhanik [1.2K]

Answer:

B and C

Explanation:

Cells are the simpliest level of life and they make up tissues. They are made up of <em>cell organelles</em> not organs so it cannot be D (in case you were confused).

Hope this helped!

5 0
3 years ago
Read 2 more answers
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