The Digestion system

Question 1

What are proteins?

Answer 1

Proteins build and repair body cells.

Question 2

What are complete proteins?

Answer 2

Complete proteins contain all amino acids.

Question 3

What are incomplete proteins?

Answer 3

Incomplete proteins do not contain all the essential amino acids.

Question 4

What are carbohydrates?

Answer 4

Carbohydrates provide energy.

Question 5

What are simple carbohydrates?

Answer 5

Simple carbohydrates are sugars such as fruits.

Question 6

What are complex carbohydrates?

Answer 6

Complex carbohydrates are starches such as pasta, breads, rice, and potatoes.

Question 7

What are fats?

Answer 7

Fats, also known as lipids, provide some energy and cushion organs.

Question 8

What are saturated fats?

Answer 8

Saturated fats are unhealthy fats from animals, such as butter (solids).

Question 9

What are unsaturated fats?

Answer 9

Unsaturated fats are good fats from plants, such as oils (liquids).

Question 10

What are vitamins?

Answer 10

Vitamins are needed in small (micro) amounts.

Question 11

What are water-soluble vitamins?

Answer 11

Water-soluble vitamins dissolve in water, such as Vitamins B and C.

Question 12

What are fat-soluble vitamins?

Answer 12

Fat-soluble vitamins are stored in fat, such as Vitamins A, D, E, and K.

Question 13

What are minerals?

Answer 13

Minerals are essential nutrients.

Question 14

What are organic minerals?

Answer 14

Organic minerals contain the element carbon.

Question 15

What are inorganic minerals?

Answer 15

Inorganic minerals do not contain the element carbon.

Question 16

What is the role of water in the body?

Answer 16

Water makes up 60-70% of your body.

Question 17

How long can the body exist without food compared to water?

Answer 17

The body can exist without food much longer than it can without water.

Question 18

What are the 6 groups of nutrition

Answer 18

1. Water
2. Vitemins
3. Minerals
4. Carbohydrates
5. Fats/lipids
6. Proteins

Question 19

What are the functions of the digestive system?

Answer 19

1. ingestion
2. Digestion
3. Absorbtion
4. Elimination

Question 20

What are nutrients?

Answer 20

Substances in food (proteins, carbohydrates, fats, vitamins, minerals, and water) that provide energy and materials for cell development, growth, and repair.

Question 21

What is digestion?

Answer 21

The process that breaks down food into small molecules so that they can be absorbed and moved into the blood.

Question 22

What is mechanical digestion?

Answer 22

Occurs when food is chewed, mixed, and churned (like a machine).

Question 23

What is chemical digestion?

Answer 23

Occurs when chemical reactions break down large molecules of food into smaller ones.

Question 24

What is an enzyme?

Answer 24

A type of protein that speeds up the rate of a chemical reaction to begin.

Question 25

What is peristalsis?

Answer 25

Waves of muscular contractions that move food through the digestive tract.

Question 26

What is chyme?

Answer 26

Liquid product of digestion after it leaves the stomach.

Question 27

What are villi?

Answer 27

Fingerlike projections covering the wall of the small intestine that increase the surface area for food absorption.

Question 28

What is ingestion?

Answer 28

taking in food

Question 29

What is digestion?

Answer 29

the process in which food is broken down into nutrient molecules that will be absorbed/taken in by the blood.

Question 30

What is elimination?

Answer 30

wastes or unused molecules are eliminated/excreted

Question 31

What is absorbtion?

Answer 31

nutrient molecules that are absorbed by the blood

Question 32

What two functions take place in the mouth?

Answer 32

ingestion and digestion

Question 33

teeth are an example of what kind of digestion?

Answer 33

mechanical

Question 34

what do incisors and molars do?

Answer 34

incisors tear food molars crush/grind food