2.3 Energy & Waste

Question 1

when you put food into you mouth

Answer 1

Ingestion

Question 2

where mechanical and chemical of digestion start

Answer 2

ingestion (Mouth)

Question 3

Teeth and tongue break down food into smaller pieces

Answer 3

Mechanical Digestion

Question 4

Makes saliva that breaks down food

Answer 4

Salivary glandes

Question 5

5 examples of Nutrients

Answer 5

Proteins, fats carbohydrates, vitamins and minerals

Question 6

The amount of energy in food is measured in calories.

Answer 6

Calorie

Question 7

the amount of energy it takes to raise the temperature of 1 kg of water by 1C

Answer 7

Calorie

Question 8

Releases the energy from the processed food

Answer 8

Your digestive system

Question 9

the parts of food used by thr body to frown and survive

Answer 9

Nutrients

Question 10

the mechanical and chemical breakdown of food into small particles and molecules that your body can absorb and use

Answer 10

Digestion

Question 11

The four steps of digestion

Answer 11

ingestion, digestion, absorption, and elimination.

Question 12

when you chew, mash, and grind food with your teeth and tongue

Answer 12

Mechanical Digestion

Question 13

break down pieces of food into small molecules

Answer 13

Chemical Digestion

Question 14

an enzyme, in your mouth, that helps break down carbohydrates

Answer 14

Saliva

Question 15

A muscular tube that connects the mouth to the stomach

Answer 15

Esophagus

Question 16

Food moves through the esophagus and the rest of the digestive tract by waves of muscle contractions

Answer 16

Peristalsis

Question 17

a large, hollow organ that stores food.

Answer 17

Stomach

Question 18

An adult stomach can hold about _________ of food and liquid

Answer 18

2 liters

Question 19

Enable the stomach to expand and hold large amounts of food

Answer 19

the folds on the inner walls

Question 20

The cells in these folds produce chemicals that help break down_________?

Answer 20

Proteins

Question 21

This stomach fluid makes the stomach acids

Answer 21

Gastric Juices

Question 22

An enzyme that helps break down proteins in foods into amino acids

Answer 22

Pepsin

Question 23

A long tube that is connected to the stomach. it is about 7 m (23 ft) long

Answer 23

Small intestine

Question 24

fingerlike projections that cover the folds of the small intestine

Answer 24

Villi

Question 25

Nutrients enter the blood through blood vessels in this digestive organ

Answer 25

Small intestine

Question 26

also known as, the colon

Answer 26

Large intestine

Question 27

It is about 1.5 m (5ft) long. it is larger diameter (about 5 cm or 2 in than the small intestine

Answer 27

Large intestine

Question 28

where water is absorbed , leaving behind semisolid waste.

Answer 28

Large intestine

Question 29

The last section of the large intestine, about 8 inches

Answer 29

Rectum

Question 30

The final opening or “exit door” of the digestive system

Answer 30

Anus

Question 31

The semisolid waste that is ready to leave the digestive system

Answer 31

Feces

Question 32

removes liquid waste from the body

Answer 32

Urinary system