The double-layered folds of peritoneum that supports portions of the small intestine are called mesenteries.

The thymus is in the mediastinum behind the sternum.

Central venous pressure is the pressure in the inferior vena cava at the central point of the abdomen.

Osmotic pressure forces molecules in the blood out through capillary walls.

The aorta is the largest artery in the pulmonary circuit.

The greater omentum is composed of the

Capillary walls consist of a single layer of epithelial cells, and they exchange substances in the blood for substances in the tissue fluid surrounding body cells.

Intrinsic factor is necessary for the normal absorption of vitamin B12 from the small intestine.

An antigen is ______, whereas an antibody is ______.

The aortic baroreceptor senses stretching of the aorta. How will the nervous system respond?