Answer:
The medulla of our brain is the control center of our heart rate. It either slows or speeds the heart beats per minute.
Explanation:
Hey there,
Your question states: <span>A student made a model of isostasy by placing a block of wood in a beaker of water how can a student demonstrate isostaic rebound using her model?
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By "</span><span>Press the block down and let go" and that would demonstrate it well.
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Answer:
Hi. I think the answer is A.
The correct terms to fill in the blanks would be contracts and dilates. In stressful situations, the sympathetic nervous system contracts the arteries of the circulatory system resulting to the dilation of the pupils of the eyes. Also, during these situations, the blood sugar levels are raised since the hormones for stress kick in to combat the stress which in turn raises the blood sugar.
A. species that produce relatively few offspring but invest a large amount of parental care. (For example: Elephants or dolphins produce live young and only one or two at a time and they take care of the children until they are okay on their own)
