Anat: Heart & Lungs Flashcards
1
Q
what are the arteries connected to the heart?
A
Aorta
Pulmonary Artery
Coronary Artery
2
Q
What are the veins connected to the heart?
A
Vena Cava
Pulmonary Vein
3
Q
What are the tubes in the lungs called?
A
Bronchi, which progressively divide into smaller tubes known as Bronchioles
4
Q
What is the major difference between circulatory and ventilation system?
A
Ventilation has air flowing in and out through the same tube
Circulation has a one way system
5
Q
what is the primary site for gas exchange?
A
Alveoli
6
Q
What are the main features for sufficient gas exchange?
A
- Thin alveolar walls for a short diffusion pathway
- High concentration gradient to make diffusion more likely to cause net movement into blood
- Large surface area to volume ratio
