Year 8 Chapter 1

Question 1

Nutrients

Answer 1

Food nutrients are chemicals found in food. There are 6 major food nutrients.

Question 2

Carbohydrates

Answer 2

Sugar - to provide energy.
Starch - to provide energy.
Fibre - helps to prevent constipation

Question 3

Proteins

Answer 3

Helps us grow and repairs damaged tissues

Question 4

Fats

Answer 4

To protect organs
Give us energy
Gives insulation

Question 5

Vitamins

Answer 5

Vitamins c : healthy skins and gum

Vitamins d : strong bones and teeth

Question 6

Obese

Answer 6

Some one who is over weight.

Question 7

Starvation

Answer 7

Is when you starve someone

Question 8

Energy

Answer 8

Energy is what you get from starch this is to help you make it through the day

Question 9

Mouth

Answer 9

A mouth is when you put food in it

Question 10

Oesophagus

Answer 10

Oesophagus takes the food to the stomach

Question 11

Stomach

Answer 11

A sack. The food is mixed with stomach acid ( hydrological acid) and digestive enzymes and churned are mixed up.

Question 12

Liver

Answer 12

A large organ that produces a green liquid called bile that neutralises the stomach and helps break down fats into tiny droplets.

Question 13

Pan creas

Answer 13

A gland looks like a leaf shape below the stomach that produces digestive enzymes.

Question 14

Small intestine

Answer 14

Is a long tube that the food move down through after the stomach . Digestive food absorbed from the small intestine into blood stream. More enzymes are produced to break down food further. The blood transfers the nutrients to all body cells.

Question 15

Large intestine

Answer 15

Water is reabsorbed back into the blood stream. Passes undigested food to the rectum.

Question 16

Enzymes

Answer 16

Enzymes help break down the food.

Question 17

Drug

Answer 17

A drug is a chemical that changes the way your body or brain works. Drugs may alter your behaviour as well as your metabolism. It can be harmful or beneficial.

Question 18

Alcohol

Answer 18

Alcohol can be bad if you drink a lot but if you drink little bits of it nothing will happen

Question 19

Stimulant drug

Answer 19

Stimulant drug,any drug that excites any bodily function, but more specifically those that stimulate the brain and central nervous system.

Question 20

Depressant drug

Answer 20

Depressant drug is a drug that slows down your reaction time.

Question 21

Drug addiction

Answer 21

Drug addiction is when someone is attached to one or many drugs

Question 22

Ethanol

Answer 22

Ethanol is a harmful drug and it could kill you

Question 23

Nicotine

Answer 23

Nicotine is an addictive drug that speeds up the heart rate.

Question 24

Tar

Answer 24

Tar is a sticky brown substance that is deposited in the lungs. It is a carcinogen (causes cancer )

Question 25

Carbon monoxide

Answer 25

This binds to red blood cells. It reduces the amount of oxygen the red blood cells can carry.

Question 26

Passive smoking

Answer 26

Is when someone else smokes and you inhale it