A. Moisten and filters incoming air
Answer:
I would say polar beats
Explanation:
As polar bears actually don't have to get in water..
Not sure ok sorry
According to sources, the most probable answer to this query is that nephrons found in the kidney are responsible for filtering out waste in the blood cells. The resulting product is urea.
This is then excreted to the body.
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Answer:
D. The skin
Explanation:
The skin is usually considered as supply-independent for oxygen delivery. The most affected organs and tissues considered as being supply-dependent for oxygen delivery are heart, brain and lungs. These are the most sensitive to oxygen deprivation, being the brain more than the other organs.
