hormone produced by the hypothalamus and released by the posterior pituitary that increases water reabsorption by the kidneys

foreign or “non-self” protein that triggers the immune response

immune cell that detects, engulfs, and informs the adaptive immune response about an infection by presenting the processed antigen on the cell surface

agent that prevents cell destruction by reactive oxygen species

the three cells away from the micropyle

transporter that carries two ions or small molecules in different directions

frogs

exit point for waste material

major artery of the body that takes blood away from the heart

organism at the top of the food chain

part of the ocean where no light penetrates

bud formed at the tip of the shoot

meristematic tissue located at the tips of stems and roots; enables a plant to extend in length

scent gland that secretes substances that are used for chemical communication

caecilians