Absorption of Materials Flashcards
State 2 things a cell requires for respiration.
oxygen and glucose
Name a waste material produced by cells that must be removed from the body.
carbon dioxide
What 3 things do the surfaces that are involved in the absorption of materials have in common?
a) large surface area
b) thin walls
c) good blood supply
Name the part of the lungs where gas exchange takes place.
alveoli
Name the gas that moves from the alveoli into the blood.
oxygen
Name the gas that moves from the blood into the alveoli?
carbon dioxide
Where in the digestive system are nutrients from food absorbed into the blood?
small intestine
Name the structure found within the small intestine that increase the surface area.
villi
Name the 2 types of food that are absorbed straight into the capillaries in the villi.
a) glucose
b) amino acids
Name the 2 products of fat digestion that are absorbed into the lacteal in the villi.
a) fatty acids
b) glycerol
Name the vessel within the villi that absorb the products of fat digestion.
The lacteal