Digestive System

Question 1

What are polymers

Answer 1

monomers to be absorbed by the cell

Question 2

What is the 4 part process of digestion

Answer 2

1) Ingestion: act of eating
2)Digestion: polymers->monomers
3)Absoprtion: taking in absorb food by cell assimimilation
4) Elimination: removal of undigested waste

Question 3

Types of Digestion

Answer 3

Two types
1) Mechanical digestion: structures or actions breaks polymers into smaller workable units
2) Chemical digestion:enzymes break into smaller workable units into monomers

Question 4

What does amylase do?

Answer 4

Break down carbohydrates

Question 5

Where does digestion begin?

Answer 5

The mouth

Question 6

What are Polysaccharides

Answer 6

smaller workable units

Question 7

Order of chemicals in digestion

Answer 7

Polysaccharide, dissaccharide, dissachride, monosaccharide

Question 8

Where does lipid and protein digestion start and end?

Answer 8

In the stomach and completed in the small intestine

Question 9

What do lipases do?

Answer 9

breaks down lipids

Question 10

Lipids are

Answer 10

glycerol +3 fatty acids

Question 11

Proteins are broken down by

Answer 11

proteases

Question 12

Proteases…

Answer 12

digest proteins; secreated in an inactive form called zymogens

Question 13

Zymogens are…

Answer 13

activated by pH

Question 13

Organs of the digestive system

Answer 13

mouth, teeth, tongue, salivary gland

Question 14

Function of esophagus

Answer 14

moves food from mouth to stomach

Question 15

Stomach is

Answer 15

the reservoir where food is temporarily stored

Question 16

Stomach is divided into 3 parts which are

Answer 16

1) Fundus: top part of the stomach
2) Body: main part/middle
3) Plupus: the bottom part of the stomach

Question 17

Functions of the stomach

Answer 17

temporary place for food; contain gastric juices which start digestion for proteins, and churns food into smaller particles which aid in digestion, limit amount of absorption in the stomach

Question 18

what are the glands and secretion of the stomach

Answer 18

1) parietal cell: secrete hydrochloric acid
2) chief cells: secrete pepsinogen
3) Mucous cells: secrete mucus

Question 19

Small intestine is

Answer 19

major organ of chemical digestion and nutrient absorption

Question 20

What are the 3 parts of the small intestine

Answer 20

1) duodenum: first ten inches
2) jejunum: next 8 feet
3) Illeium: last 12 feet

Question 21

functions of small intestine

Answer 21

complete digestion of food, absorb end products of digestion, and secrete hormones

Question 22

Large intestine does what

Answer 22

reclaims water

Question 23

The three subdivisions of the large intestine

Answer 23

1) cecum: first 2-3 inches
2)colon: the next 5 feet
3)rectum: last 7-8 inches

Question 24

functions of large intestine

Answer 24

absorb water, eliminate fecal matter from the body

Question 25

Pancreas functions

Answer 25

produces several enzymes, produces biocarbonate to necitralize the acidic gastric juices, makes insulin which contains blood sugar