Digestion 3

Question 1

Most nutrients are absorbed in the

Answer 1

Small intestine

Question 2

Stomach and large intestines also

Answer 2

Have nutrients absorbed into the bloodstream

Question 3

Process by which nutrients are absorbed in the body is known as

Answer 3

Diffusion

Question 4

Villi in small intestine _

Answer 4

Dramatically increased surface area for absorption

Question 5

Average surface area of small intestine

Answer 5

2,690 sq ft

Question 6

Villi are covered in _ which are responsible for diffusion

Answer 6

Microvilli

Question 7

Each villi contains network of _ that connect intestines to body’s circulatory system and lymphatic system (2)

Answer 7

Lymphatic vessels

Capillaries

Question 8

2 pass into the blood vessels

Answer 8

Carbs broken down to glucose

Proteins broken down to amino acids

Question 9

_ passes into the lymphatic vessels

Answer 9

Fat broken down to lipids

Question 10

After absorption, blood and lymphatic vessels

Answer 10

Bring nutrients to different parts of Brady to be used or stored for later use.

Question 11

Cell of the lining of the intestinal wall (microvilli are attached to) called

Answer 11

Enterocyte

Question 12

Outer cell walls (other way of saying outer)

Answer 12

Epithelial cell walls

Question 13

Villi look like a _ covered in microvilli

Answer 13

Finger

Question 14

_ absorb lipids

Answer 14

Lymph lacteals

Question 15

_ absorb amino acids

Answer 15

Blood capillaries

Question 16

Finger like projections in small intestine that greatly expand its surface area

Answer 16

Villi

Question 17

Each villi house _ that transfer nutrients absorbed by villi to other parts of the body (2)

Answer 17

Blood vessels

Lymphatic vessels