2.3 energy and waste

Question 1

When you put food in your mouth

Answer 1

INGESTION

Question 2

The 4 steps of digestion

Answer 2

Ingestion, Digestion, Absorption, and Elimination

Question 3

The amount of energy in food is measured in calories.

Answer 3

Calorie

Question 4

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

Answer 4

Calorie

Question 5

Releases the energy from the processed food.

Answer 5

Your Digestive system

Question 6

5 examples of digestion.

Answer 6

Proteins, fats, carbohydrates, vitamins, and minerals

Question 7

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

Answer 7

Digestion

Question 8

The 4 steps of digestion

Answer 8

ingestion, digestion, absorption, and elimination

Question 9

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

Answer 9

Mechanical Digestion

Question 10

break down pieces of food into small molecules.

Answer 10

Chemical Digestion

Question 11

when you put food, such as bread, into your mouth

Answer 11

Ingestion

Question 12

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

Answer 12

Saliva

Question 13

a muscular tube that connects the mouth to the stomach

Answer 13

esophagus

Question 14

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

Answer 14

Peristalsis

Question 15

a large, hollow organ that stores food

Answer 15

Stomach

Question 16

An adult stomach can hold about ________ of food and liquid

Answer 16

2 liters

Question 17

Enables the stomach to expand and hold large amounts of food

Answer 17

the folds on the inner wall