★ Heart Anatomy Quiz
When blood enters the right atrium, where is it coming from?
A. The body
B. Left ventricle
C. Right Atrium
D. Lungs
Select your answer:
Topics:
Mouth - Stomach Stress Transport system in Living Things (Human) Stimuli and Responses in Humans Nutrition form 2 Excretion Toxicology Arteries Human Genetics Physical Education and Health Pancreas The Musculoskeletal System Urinary System Medical Terms Proteins Burns and Skin CancerOther quiz:
Integumentary System › ViewMacrophages are the cells that hold tattoo ink in place.
A. TRUE
B. FALSE
Psychology › View
As sunlight decreases in the fall, the amount of serotonin released _________ and the amount of melatonin ________.
A. randomly fluctuates; decreases
B. randomly fluctuates; increases
C. decreases; increases
D. increases; decreases