Podcast
Questions and Answers
What happens to oxygen in the capillaries?
What happens to oxygen in the capillaries?
- It is produced by cellular respiration
- It diffuses from the blood to the tissues (correct)
- It is transported back to the heart
- It is stored in the abdominal organs
Where do the two venae cavae empty their blood?
Where do the two venae cavae empty their blood?
- Into the right ventricle
- Into the left atrium
- Into the pulmonary artery
- Into the right atrium (correct)
What is the primary function of the atria?
What is the primary function of the atria?
- To regulate heart rate
- To pump blood throughout the body
- To collect blood returning to the heart (correct)
- To produce oxygen
What is the term for the contraction phase of the cardiac cycle?
What is the term for the contraction phase of the cardiac cycle?
What determines cardiac output?
What determines cardiac output?
What is the average stroke volume in humans?
What is the average stroke volume in humans?
What is the purpose of the valves in the heart?
What is the purpose of the valves in the heart?
What is the sound pattern produced by the closing of the two sets of heart valves?
What is the sound pattern produced by the closing of the two sets of heart valves?
Where is the human heart located?
Where is the human heart located?
During heavy exercise, what happens to cardiac output?
During heavy exercise, what happens to cardiac output?
What happens to the blood as it flows through the capillary beds in the left and right lungs?
What happens to the blood as it flows through the capillary beds in the left and right lungs?
What is the main function of the coronary arteries?
What is the main function of the coronary arteries?
What is the route of oxygen-rich blood from the lungs to the body tissues?
What is the route of oxygen-rich blood from the lungs to the body tissues?
What is the purpose of the pulmonary circuit?
What is the purpose of the pulmonary circuit?
What is the role of the left ventricle in the mammalian cardiovascular system?
What is the role of the left ventricle in the mammalian cardiovascular system?
Why is it crucial to maintain a continuous supply of oxygen to the body’s organs?
Why is it crucial to maintain a continuous supply of oxygen to the body’s organs?
