Thirst is characterized by .
a. the concentration of the intracellular fluid rising
b. a positive feedback loop in the hypothalamus
c. a decrease of sodium in the blood
d. a decrease of calcium in the blood
e. the concentration of the extracellular fluid rising

B

Explanation:

Thirst isn't the brain's only response to dehydration. When the body gets low on water, the hypothalamus increases the synthesis of an antidiuretic hormone called vasopressin, which is secreted by the pituitary gland and travels to the kidneys

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(i can't select because there is no options but, i will answer) using evidence effectively. most of the assignments you will do in university will ask you to make an argument, to take a stance, or to prove a hypothesis. the best way to do this is to research the topic, develop a thesis statement, hypothesis, or claim and then use evidence to support this claim.