★ Circulatory & Respiratory System Quiz
Carry oxygen in the blood and are small disk-shaped cells that have no nucleus and are made mostly of hemoglobin.
A. plasma
B. red blood cells
C. white blood cells
D. platelets
Preview next quiz:
EXHALE!!!
My lungs are __________________ air.
A. taking in
B. letting out
Disclaimer:
Medical Quiz should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational and educational purposes only.