Absorption of Materials

Question 1

State 2 things a cell requires for respiration.

Answer 1

oxygen and glucose

Question 2

Name a waste material produced by cells that must be removed from the body.

Answer 2

carbon dioxide

Question 3

What 3 things do the surfaces that are involved in the absorption of materials have in common?

Answer 3

a) large surface area
b) thin walls
c) good blood supply

Question 4

Name the part of the lungs where gas exchange takes place.

Answer 4

alveoli

Question 5

Name the gas that moves from the alveoli into the blood.

Answer 5

oxygen

Question 6

Name the gas that moves from the blood into the alveoli?

Answer 6

carbon dioxide

Question 7

Where in the digestive system are nutrients from food absorbed into the blood?

Answer 7

small intestine

Question 8

Name the structure found within the small intestine that increase the surface area.

Answer 8

villi

Question 9

Name the 2 types of food that are absorbed straight into the capillaries in the villi.

Answer 9

a) glucose

b) amino acids

Question 10

Name the 2 products of fat digestion that are absorbed into the lacteal in the villi.

Answer 10

a) fatty acids

b) glycerol

Question 11

Name the vessel within the villi that absorb the products of fat digestion.

Answer 11

The lacteal