Answer:
Option (C).
Explanation:
The dilation of feeder arterioles carry blood directly into the blood vessels. The pre capillary sphincter in the systemic capillary beds can open due to the different factors.
The local release of histamines do not cause the dilation of feeder arterioles and does not cause the opening of systemic capillary beds. Histamine chemical is involved in the immune response of the body.
Thus, the correct answer is option (C).
Answer:
17 = D
Explanation:
Crossing over occurs when two different genes are crossed together which is exactly what happened in this question :)
Viruses are the only thing considered to be a living thing without cells, as they attach themselves to cells to multiply.
Celular respiration is:
Oxygen + glucose --> carbon dioxide + water
Carbon dioxide and water are both compounds, which makes them both molecules.
They're both byproducts of cellular respiration.