Helper T cells do all of the following, except

The pituitary hormone that controls the release of glucocorticoids from the suprarenal cortex is

________ are clusters of lymphatic nodules located beneath the epithelial lining of the small intestine.

Stem cells that will form T cells are modified in the

The heart pumps approximately ________ liters of blood each day.

The heart beats approximately ________ times each day.

Autoantibodies

Autoantibodies

TSH plays a key role in the ________ of thyroid hormones.

Lymphocytes that attack foreign cells or body cells infected with viruses are ________ cells.