High body temperature in mammals reflexively causes a change in blood flow and sweating, which act to reduce the temperature. This is a feedback loop because response to the signal results in a(n) of that signal.

A. negative; increase
B. positive; decrease
C. negative; decrease
D. positive; increase

Which of the rock examples below is most likely to be metamorphic

Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.

How secretion and excretion both are different? explain in simple language.