Which statement supports the fact that humans contain many kinds of tissues? A. Cells break down food through the process of respiration.
B. All organisms are made up of only one cell.
C. Cells reproduce by a process known as mitosis.
D. All organisms are made of one or more cells.

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule

What maintain homeostasis when a persons internal body temperature is 97.5°f