Antibodies are:

A. secreted by helper T cells.
B. cytokines.
C. immunoglobulins.
D. composed of two polypeptide chains - a heavy chain and a light chain.
E. phagocytes.


C

Anatomy & Physiology

You might also like to view...

Striations are found in:

a. smooth muscle b. skeletal muscle c. cardiac muscle d. both B and C

Anatomy & Physiology

There are usually four ________ that return blood to the left atrium.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

In addition to temperature control, blood flowing to the skin supplies a source of ____________________

Fill in the blank(s) with correct word

Anatomy & Physiology

Important functions of the skeletal system include

A. production of Vitamin E. B. protection of the brain and soft organs. C. integration of other systems. D. regulation of acid-base balance. E. storage of water.

Anatomy & Physiology