PLEASE HURRY. When scientists make a model to study a system, such as a coral reef or the human body, which of these should they be sure to include? a
include only inputs
b
include no set boundaries
c
include a limited number of parts
d
include both biotic and abiotic influences

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.