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love history [14]
4 years ago
8

Identify the function of the labeled structures.

Biology
2 answers:
Ratling [72]4 years ago
8 0

A: Pushes blood into the arteries

B: Brings blood back to the heart

C: Carries blood away from the heart

D: connects arteries and veins (capillaries)

nata0808 [166]4 years ago
4 0

A: last option

B: second option

C: third option

D: first option

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Explain how Sodium and Potassium exchange during active transport Write your answer in steps.
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Answer:

Three sodium ions are extruded from and two potassium ions are imported into the cell.

Explanation:

Sodium-Potassium pump occurs during active transport in which sodium ions are removed and sent outside the cell while on the other hand, potassium ions are moved inside the cell due to their needs in the cell. Three sodium ions are moves outside the cell whereas two potassium ions are imported into the cell with the use of ATP molecules. The exchange occurs till the equilibrium of inside and outside environment can be achieved.

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3 years ago
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hammer [34]

Answer:

C) Urea

Explanation:

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Luba_88 [7]
It is the characteristic of "C. The direction" of an object that could change without changing the velocity of that object. The others would affect the velocity. 
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3 years ago
How fast do humming birds fly
murzikaleks [220]

Answer:

A hummingbirds maximum speed is <em><u>49mph</u></em>, usually when they are diving. Hope this helps.

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Vaccination has been shown to cause autism.Select one:TrueFalse
Mariulka [41]

As we know vaccines have been a very controversial topic, and one of them is autism, even when this has been proved false and the original paper where it was published the study retracted, there still a number of people who argue that this is true, even when evidence in favor of vaccine safety is overwelming. Therefore the correct answer is false.

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1 year ago
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