Trace the pathway of a carbon dioxide gas molecule in the blood from the inferior vena cava until it leaves the blood-stream. Name all structures passed through en route.
What will be an ideal response?
Answer:
- Inferior vena cava
- Right atrium
- Tricuspid valve
- Right ventricle
- Pulmonary semilunar valve
- Pulmonary trunk
- Pulmonary arteries
- Divide into lobar arteries
- Bronchi
- Arterioles
- Alveolar sacs
- Pulmonary capillaries
- Gas exchange
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