Understanding Health

Question 1

What is fitness?

Answer 1

Fitness is the ability to meet the demands of the environment.

Question 2

What is health?

Answer 2

Health is a state of complete physical, mental, and social well-being not just the absence of a disease or illness.

Question 3

What are the four factors of fitness? (FOUR S’)

Answer 3

Suppleness (Flexibility)
Stamina
Strength
Speed

Question 4

What is Suppleness?

Answer 4

The range of movement possible at a joint.

Question 5

What is stamina?

Answer 5

Endurance, the ability to keep going.

Question 6

What is strength?

Answer 6

Muscle Strength

Question 7

What is speed?

Answer 7

Moving muscles quickly.

Question 8

4 MARKER; Why is regular exercise important?

Answer 8

• Reduce risk of heart disease
• Strengthens bones
• Reduces stress levels
• Maintains and improves fitness

Question 9

What is our skeleton for?

Answer 9

It gives the body SHAPE.
It allows the body to move.
It PROTECTS the major organs.

Question 10

What size bone would you find bone marrow in?

Answer 10

Long bones, is where you would find bone marrow.

Question 11

What does bone marrow do?

Answer 11

Bone marrow produces red blood cells.

Question 12

How many red blood cells per second are produced by the bone marrow?

Answer 12

2.6 million

Question 13

What minerals do skeletal bones store?

Answer 13

calcium, and phosphorus

Question 14

What is the pairs that muscles work in, to move bones called?

Answer 14

ANTAGONISTIC PAIRS

Question 15

How do antagonistic pairs work?

Answer 15

One muscle contracts, while the other one relaxes

Question 16

Give an example of an antagonistic pair

Answer 16

biceps and triceps

Question 17

What happens when somebody has heart disease?

Answer 17

Some of the muscle cells in the heart die.

Question 18

Why do the cells die?

Answer 18

They cannot get enough oxygen and glucose

Question 19

What is a drug?

Answer 19

A drug is a chemical substance that affects the way the body works by altering chemical reactions.

Question 20

What is a medicinal drug?

Answer 20

Substances that have an effect on the body and can be used to treat illness and disease

Question 21

Give an example of a medicinal drug

Answer 21

painkillers

Question 22

What is a recreational drug?

Answer 22

A recreational drug is a legal drug, like caffeine, or alcohol.

Question 23

What are muscles attached to bones by?

Answer 23

tendons

Question 24

4 MARKER: Name some effects of alcohol on the body

Answer 24

• More blood travels to the surface of the body
• Activity of the brain slows down
• Sense of pain is reduced

Question 25

Give two ways breathing changes after physical activity

Answer 25

- It speeds up - Breathing is deeper

Question 26

Why do you need joints?

Answer 26

- To be able to bend - So you can move

Question 27

What mineral is needed for strong bones and teeth?

Answer 27

Calcium

Question 28

HOW DOES ANTAGONISTIC PAIRS WORK?

Answer 28

Watch a video

Question 29

What is a part like a bicep or tricep?

Answer 29

muscles

Question 30

6 MARKER; Describe how the human body prevents the entry of microorgansims, with defence mechanisms.

Question 31

What effect does low temperature have on bacteria?

Answer 31

It slows down growing.

Question 32

Why is it important tendons do not strech?

Answer 32

So that muscular force is not lost.