Transport and Absorption - 4

Question 1

Alveoli

Answer 1

Gas exchange with the blood capillaries takes place here.

Question 2

Blood Capillaries

Answer 2

Exchange gas with alveoli

Question 3

Efficient Gas Exchange

Answer 3

Thin Walls - Oxygen can diffuse easily
Moist Surface - Oxygen dissolves for easier diffusion
Large Surface Area - Transports more oxygen
Good Blood Supply - More oxygen is carried to the body

Question 4

Villi

Answer 4

Thin Walls - Blood Capillary - Lacteal

Question 5

Capillaries

Answer 5

Receives amino acids and glucose

Question 6

Lacteal

Answer 6

Receives fatty acids and glycerol