1
Where does deoxygenated blood returning from the body first enter the heart?
- right ventricle
- left atrium
- left ventricle
- right atrium
right atrium
2
Which heart chamber is the most muscular?
- left ventricle
- right atrium
- right ventricle
- left atrium
left ventricle
3
Which artery is the only one that carries deoxygenated blood?
- pulmonary artery
- femoral artery
- aorta
- carotid artery
pulmonary artery
4
The largest artery in the human body is the:
- carotid artery
- femoral artery
- pulmonary artery
- aorta
aorta
5
What is the primary function of the spleen?
- produces digestive enzymes
- is a organ of the reproductive system
- filters blood and removes old/damaged blood cells
- nothing really - it is vestigial with no known function
filters blood and removes old/damaged blood cells
6
What is the major function of the pancreas?
- makes digestive enzymes
- is part of the endocrine system
- is part of the reproductive system
- choices 1 and 2 above
choices 1 and 2 above
7
One function of the epididymis is to store sperm cells.
- True
- False
True
8
In the female rat, all embryos develop in uterine horns.
- True
- False
True
9
The small intestine is shorter in length than the large intestine.
- True
- False
False
10
The "whiskers" found on the rat's face are called:
- cilia
- vibrissae
- axillae
- pelage
vibrissae