40. Circulatory System

Which of the following cell types is NOT found within the respiratory membrane of the alveolus?

In the human body, where is oxygen absorbed from the air?

How does bird respiration differ from human respiration?

Which statement accurately describes pulmonary gas exchange of oxygen?

Which structures serve as the primary site of gas exchange between the air and the blood in the human respiratory system?

How do fish obtain oxygen from their environment?

Which molecule is primarily responsible for transporting oxygen in the blood of vertebrates?

Which of the following best describes what alveoli are?

How do the respiratory and circulatory systems work together to facilitate gas exchange in the human body?

Which two processes together constitute ventilation in the respiratory system?

Which type of blood vessels are primarily responsible for facilitating gas exchange between blood and tissues?

What is the primary advantage of having a large surface area in the lungs?

Which parts of a diver's body are most affected by pressure changes during a dive?

Which gas primarily enters the leaf during the process of photosynthesis?

Oxygen and carbon dioxide pass across the alveolar membrane in the lungs through a process called: