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Questions and Answers
What is the primary function of the circulatory system?
What is the primary function of the circulatory system?
- To protect the body from external damage
- To facilitate the exchange of oxygen and carbon dioxide (correct)
- To aid in the digestion of food
- To regulate body temperature
What is the term for the rhythmic contraction and relaxation of the heart?
What is the term for the rhythmic contraction and relaxation of the heart?
- Cardiac cycle (correct)
- Pulse
- Blood pressure
- Heart rate
What is the average heart rate for an adult at rest?
What is the average heart rate for an adult at rest?
- 100-160 beats per minute
- 70-120 beats per minute
- 80-140 beats per minute
- 60-100 beats per minute (correct)
What is the term for the pressure exerted by blood on the walls of blood vessels?
What is the term for the pressure exerted by blood on the walls of blood vessels?
What is the mechanism by which the heart pumps blood throughout the body?
What is the mechanism by which the heart pumps blood throughout the body?
What is the term for the amount of blood pumped by the heart in one minute?
What is the term for the amount of blood pumped by the heart in one minute?
What is the function of the pulse in the circulatory system?
What is the function of the pulse in the circulatory system?
What is the term for the movement of blood through the circulatory system?
What is the term for the movement of blood through the circulatory system?
What is the primary organ responsible for pumping blood throughout the body?
What is the primary organ responsible for pumping blood throughout the body?
What is the term for the rate at which the heart beats per minute?
What is the term for the rate at which the heart beats per minute?
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