★ Cells & Body Systems Quiz
The system used to take in oxygen to the lungs
A. respiration
B. respiratory system
C. reproductive system
D. circulatory system
Select your answer:
Topics:
Muscle Anatomy Pathogens Cancer (Bio II) Biology Forensic Pathology General Anatomy Visual Impairment Central Nervous System Brain/Neuron Anatomy Tissues of The Body Immunity and Vaccines Enzymes Mitosis for Mya Ankle, Foot, & LL - Injuries EntomologyOther quiz:
Cell Theory › ViewWhy are microscopes important when studying most cells?
A. Most cells are very large.
B. Most cells are very small.
C. Most cells move very quickly.
D. Most cells are dead.
Endocrinology › View
Estrogens and progesterone are produced by the _____________.
A. Ovaries
B. Testes
C. Adrenal glands
D. Hypothalamus