Biology Breathing

Question 1

Name the structure that protects your lungs.

Answer 1

Ribs

Question 2

State the scientific name for an air sac

Answer 2

Alveolus

Question 3

State which gas, present in air, is not use by the body

Answer 3

Nitrogen

Question 4

State what happen to your ribcage when you inhale

Answer 4

It is pulled up an out

Question 5

State what happens to your diaphragm when you exhale

Answer 5

Your diaphragm relaxes. It moves up

Question 6

Name two factors that can reduce lung volume

Answer 6

Smoking
Asthma
Old age

Question 7

Sate what is meant by a drug

Answer 7

Drugs are chemical substances that affect the wat your body works. They alter the chemical reactions that take place inside your body. Sometimes these changes are helpful but in many cases they are harmful.

Question 8

State what I meant by a medicinal drug

Answer 8

Medicinal drugs are used in medicine. They benefit your health in some way. They may be use to treat symptoms of a condition- for example, paracetamol is taken to relieve pain. Other drugs can cure an illness. For example, antibiotics are often used to treat chest infections

Question 9

State what is meant by recreational drugs

Answer 9

Recreational drugs are drugs that people take for enjoyment, to help them relax, or to help them to stay awake. Recreational drugs normally have no health benefits and in many cases are harmful.

Question 10

Name three illegal drugs

Answer 10

Heroin
Cocaine
Cannabis
Ecstasy
Fentanyl

Question 11

State what is meant by addiction

Answer 11

If your body gets use to the changes cause by a drug, it may become dependent on thebsrug. This means that you need to keep taking the drug to feel normal. If this happens you have an addiction.

Question 12

Name the drug foun in alcoholic drinks

Answer 12

Ethanol

Question 13

State what is means by the word alcoholic

Answer 13

If people drink a lot of alcohol regularly, they may need to drink greater and greater amounts to cause the same effect on their body. They may become addicted. People who have an addiction to alcohol are called alcoholics

Question 14

State the recommended maximum number of alcohol units per week for adults

Answer 14

14 units

Question 15

Name three conditions that are more likely to occur if a person drinks a lot I’d alcohol for a long time.

Answer 15

Stomach ulcers
Heart disease
Brain damage
Liver damage

Question 16

Alcoholic drinks contain the drug ________. This is a __________ because it affects the _______ system, slowing down your body’s reactions. Drinking alcohol can lead to Brain and _____ damage.

Answer 16

Ethanol
Depressant
Nervous
Liver

Question 17

Name three conditions that a smoker is more likely to suffer from

Answer 17

Cancer
Breathing problems
Heart attacks
Strokes

Question 18

State what is meant by passive smoking.

Answer 18

As well a affecting their own health, smokers endanger the health of others. By breathing in other people’s smoke, your risk of developing circulatory and respiratory conditions increases. This is known as passive smoking.

Question 19

Name th addictive drug in tobacco smoke

Answer 19

Nicotine

Question 20

What is tar?

Answer 20

A sticky black material that collects in the lungs. It irritates and narrows the airways. Some of the chemicals it contains cause cancer.

Question 21

What is nicotine?

Answer 21

An addictive drug that speeds up the nervous system. It is a stimulant, wh h makes the heart beat faster and narrows blood vessels.

Question 22

What is Carbon monoxide?

Answer 22

A poisonous gas that stops th blood from carrying a much oxygen a it should. It binds to the red blood cells in the pla e if oxygen.