U2 Absorption Of Materials Flashcards
1
Q
What do capillaries absorb?
A
Oxygen, glucose and amino acids
2
Q
What does the lacteal absorb?
A
Glycerol and fatty acids
3
Q
Where is a lacteal located?
A
Inside villi, inside the small intestine
4
Q
What is a villus?
A
A finger like projection which absorbs nutrients from food during peristalsis
5
Q
What does a villus contain?
A
Lacteal and blood capillaries
6
Q
What makes villus and blood capillaries effective at absorption?
A
Large surface area, extensive blood supply and thin walls
7
Q
What waste product must be removed from the blood?
A
Carbon dioxide from aerobic respiration
8
Q
What do tissues contain?
A
Capillary networks allowing for material exchange
9
Q
What are the lungs?
A
Gas exchange organs
10
Q
What inside the lungs allows for gas exchange?
A
Alveoli
