Multiple Choice
The apparatus that allows the blood to flow through the heart by opening and closing with each heartbeat is known as a(n) :
A) atrium.
B) ventricle.
C) heart valve.
D) pericardium.
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Trabeculae:<br>A)are found inside compact bone.<br>B)contain blood vessels
Q2: The temporal-mandibular joint that allows you to
Q4: The strongest,dense layer of bone is the:<br>A)periosteum.<br>B)compact
Q5: Osteoporosis is an age-related disease of which
Q6: _ is a disorder associated with the
Q7: The stomach is part of what body
Q8: Why would a patient with multiple sclerosis
Q9: Diabetes mellitus is a disorder of which
Q10: If a patient in the dental chair
Q11: Lymphocytes fight disease by producing:<br>A)leukocytes.<br>B)antibodies.<br>C)monocytes.<br>D)macrophages.