Digestive system Guided Notes

Question 1

Digestion:

Answer 1

The physical and chemical break down of food so that your body can use it

Question 2

Absorption:

Answer 2

The passage of the digested food from the digestive tract into the circulatory system

Question 3

Elimination:

Answer 3

The removal of undigestable food or waste

Question 4

The 3 digestive system functions:

Answer 4

1. Digestion
2. Absorption
3. Elimination

Question 5

The 2 kinds of changes in food:

Answer 5

1. Physical - Chewing
2. Chemical - Enzymatic breakdown

Question 6

The 3 key mouth structures:

Answer 6

1. Tongue - taste buds
2. Teeth - chewing
3. Salivary Glands - produces saliva

Question 7

Pharynx:

Answer 7

The back of the throat where food is rolled into a Bolis and swallowed

Question 8

Esophagus:

Answer 8

8-inch-long passage from the back of the throat to the stomach; where Perostalssi contraction occurs

Question 9

Stomach:

Answer 9

Found beneath the Diaphragm but, above the waist; sized to hold a quart and contains hydrochloric acid but, lined with mucus

Question 10

Small Intestines:

Answer 10

20-25 feet long; Main job is to digest and absorb

Question 11

Liver:

Answer 11

The filter for toxins from the blood and makes bile

Question 12

Gall Bladder:

Answer 12

Attached beneath the Liver and stores Bile

Question 13

Large Intestine or Colon:

Answer 13

Absorbs water and stores waste; 5-6 feet long

Question 14

Metabolism:

Answer 14

The rate at the body converts food into energy

Question 15

Pyloric Valve:

Answer 15

Takes food from the stomach to the small intestine

Question 16

villi:

Answer 16

Found inside small intestine, soaks up nutrients