Unit 4- The intestines

Question 1

what tissue is in the small intestine

Answer 1

circular and longitudinal that carry out peristasis

Question 2

what is peristalsis

Answer 2

how the muscles contract to move

Question 3

How many sections does the small intestine have

Answer 3

3 sections
D-udenum
J-ejnum
I-leum

DJ Ivan

Question 4

what are vili

Answer 4

folds in the small intestine to maximize surface area for digestion and absorption of nutrients into the blood stream

Question 5

whats in vili

Answer 5

capillaries
lacteal
galnds
microvili- increase surface area

Question 6

what are the two jobs of small intestne

Answer 6

hydrolosis- use enzymes to chemically break down nurtients

absorbtion- absorb nurtients into blood stream

Question 7

what are accessory organs

Answer 7

-liver
-gall bladder
-pancreas

Question 8

what is bile

Answer 8

-yellow-ish green liquid made in liver, stored in gallbladder

Question 9

what is duodeum

Answer 9

bile duct in the small intestine

Question 10

where does the last enzyme secretion to break down nurtients occur

Answer 10

pancreas

Question 11

what does the pancreas secrete

Answer 11

sodium bicarbonate to neutralize the acid chyme (pH 2 –> pH 9)

Question 12

what factors affect enzyme effectiveness

Answer 12

high temp

pH in stomach is acidic

Question 13

what are the 3 sections of the large intestine

Answer 13

ascending
transverse
descending

Question 14

what does the ascending colon being with

Answer 14

caecum helps to slow does transport