Question

1. blood does all of the following, except:

a. destroy invading pathogens
b. transport oxygen and carbon dioxide
c. transport endocrine hormones
d. produce stem cells

Explanation:

Blood contains white - blood cells that can destroy invading pathogens. Red - blood cells transport oxygen and carbon dioxide. Blood also transports endocrine hormones throughout the body. However, the production of stem cells mainly occurs in the bone marrow, not by the blood itself.

Answer:

D. Produce stem cells