White blood cells are produced in the

A. brain.
B. bone marrow.
C. heart.
D. gastrointestinal tract.


B. bone marrow.

Health & Biomechanics

You might also like to view...

Which of the following therapeutic devices is used to treat ventricular fibrillation?

A) endarterectomy B) implantable cardioverter-defibrillator C) extracorporeal circulation D) pacemaker

Health & Biomechanics

B cells migrating directly from a primary focus to the medullary cords in a lymph node after activation with a T-dependent antigen differentiate into plasma cells that secrete predominantly _____

a. IgD b. IgE c. sIgA d. IgG e. IgM.

Health & Biomechanics

Obesity is associated with an increased risk of developing which of the following cancers?

A) colon B) rectal C) esophageal D) All of the answers are correct.

Health & Biomechanics

A well-balanced diet entails eating a variety of ____ foods and monitoring total daily caloric intake

A) ?soluble B) ?complex carbohydrate C) ?nutrient-dense D) ?protein-rich E) ?complementary

Health & Biomechanics