Podcast
Questions and Answers
Which of the following best describes the function of the circulatory system?
Which of the following best describes the function of the circulatory system?
- Supplying essential materials to the cells
- Keeping oxygen-poor blood separate from oxygen-rich blood
- Transporting blood and other materials (correct)
- Extracting wastes from the cells
What is the purpose of the organization of blood vessels in the circulatory system?
What is the purpose of the organization of blood vessels in the circulatory system?
- To carry essential supplies to the cells
- To extract wastes from the cells
- To mix oxygen-poor blood with oxygen-rich blood
- To prevent mixing of oxygen-poor and oxygen-rich blood (correct)
What does the circulatory system extract from the cells?
What does the circulatory system extract from the cells?
- Wastes (correct)
- Oxygen-rich blood
- Blood and other materials
- Oxygen-poor blood
Which of the following best describes the function of the respiratory system?
Which of the following best describes the function of the respiratory system?
Where in the body does gas exchange occur?
Where in the body does gas exchange occur?
What happens to the heart and breathing rate during exercise?
What happens to the heart and breathing rate during exercise?
Why do the respiratory and circulatory systems work closely together?
Why do the respiratory and circulatory systems work closely together?