For an organ system to function properly, the organs that make up the system ?

a. function independently of one another.

b. all perform the same job.

c. be made of the same tissue.

d. work together.

The transport tubes from food came down the plant are called?

What element is able to combine with itself and hydrogen to form large molecules ?

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.