The best description about the brain stem is: it is the most important organ of our body's survival. It connects the brain and the spinal cord, controls the vital organs like the lungs and heart and it also coordinates the many essential body reflexes.
Answer:
D. Control the blood flow into the capillary bed
Explanation:
The degree of filling of the capillary bed and level of arterial pressure within the vascular system is determined mainly by the degree of tonus (firmness) in the smooth muscle of the arterial wall. Arterioles have relatively narrow lumina, thick muscular wall and precapillary sphincter.
The first one because it is the most acurate
The Correct answer is mitochondria seeing as it is the powerhouse for the cell
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Here is your answer for this question.
Answer : <em>B. the Frogs are a limiting factor for the gnats. </em>
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