Ten minutes later after a dejected row back to the docks, Jim\'s heart rate and
ID: 3482327 • Letter: T
Question
Ten minutes later after a dejected row back to the docks, Jim's heart rate and respiratory rate were almost back to normal. His body temperature was still half a degree above normal. He felt drained of energy. He was still very thirsty. He had allowed himself only small sips of water on the row back. He weighed 176 pounds. 13: Jim has lost a lot of water (4 pounds!). At what anatomical location is the majority of water reabsorbed in the nephron? (1 pt) 14. If Jim had splashed cool water on his face after the race, what would that have done to his heart rate, and why? (1 pt)Explanation / Answer
13)bulk reabsorption water occur in the proximal convuluted tubule of the kidney.water passes through intercelllular spaces between the cells passively and by osmosis.most of the amino acids reabsorbed here.
14)on splashing the cool water on face the instant hypothermia effect will occur.To regulate the heat blood flow to the organs are increased by increasing the sympathetic action.
on sympathetic activation the norephinephrine levels raised.the norephinephrine stimulates the beta1 receptor present in heart.
the stimulation of beta 1 receptor increases the SA node trigerring and contractility of heart.
thus heart rate of the person increases.
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