These tubes are used to carry deoxygenated blood back to the lungs.

In a cladogram' when does a group of organisms branch off

Which statement about the pancreas is not true? a. it is an endocrine organ in the abdomen. b. it release chemicals into the digestive system. c. it releases insulin to increase glucose levels. d. it release hormones into the bloodstream.

Each nephron is made up of capillaries that form the __ sweat glands bladder glomerulus ureter