Multiple Choice
The circulatory system consists of two subsystems: the _______ system, which protects the body against disease and helps preserve fluid balance, and the _______ system, in which the heart pumps blood through a system of blood vessels.
A) lymphatic; endocrine
B) lymphatic; cardiovascular
C) endocrine; cardiovascular
D) cardiovascular; urinary
Correct Answer:
Verified
Correct Answer:
Verified
Q12: The _ is the largest organ of
Q13: _ is the force exerted by the
Q14: The period of relaxation is known as
Q15: Events that occur during one complete heartbeat
Q16: _ typically develops from exposure to antigens
Q18: _ is/are precise responses against specific foreign
Q19: Parasympathetic nerves release the neurotransmitter _, which
Q20: Blood consists of red blood cells, white
Q21: The _, the inner layer of the
Q22: Fill in the correct labels for the