Understanding Health Flashcards

BIOLOGY; - Health and Fitness - BONES - MOVEMENT - Non-Communicable Diseases - Microbes - Body Defence - Damages

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1
Q

What is fitness?

A

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

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2
Q

What is health?

A

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

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3
Q

What are the four factors of fitness? (FOUR Sā€™)

A

Suppleness (Flexibility)
Stamina
Strength
Speed

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4
Q

What is Suppleness?

A

The range of movement possible at a joint.

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5
Q

What is stamina?

A

Endurance, the ability to keep going.

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6
Q

What is strength?

A

Muscle Strength

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7
Q

What is speed?

A

Moving muscles quickly.

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8
Q

4 MARKER; Why is regular exercise important?

A
  • Reduce risk of heart disease
  • Strengthens bones
  • Reduces stress levels
  • Maintains and improves fitness
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9
Q

What is our skeleton for?

A

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

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10
Q

What size bone would you find bone marrow in?

A

Long bones, is where you would find bone marrow.

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11
Q

What does bone marrow do?

A

Bone marrow produces red blood cells.

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12
Q

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

A

2.6 million

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13
Q

What minerals do skeletal bones store?

A

calcium, and phosphorus

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14
Q

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

A

ANTAGONISTIC PAIRS

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15
Q

How do antagonistic pairs work?

A

One muscle contracts, while the other one relaxes

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16
Q

Give an example of an antagonistic pair

A

biceps and triceps

17
Q

What happens when somebody has heart disease?

A

Some of the muscle cells in the heart die.

18
Q

Why do the cells die?

A

They cannot get enough oxygen and glucose

19
Q

What is a drug?

A

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

20
Q

What is a medicinal drug?

A

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

21
Q

Give an example of a medicinal drug

A

painkillers

22
Q

What is a recreational drug?

A

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

23
Q

What are muscles attached to bones by?

A

tendons

24
Q

4 MARKER: Name some effects of alcohol on the body

A
  • More blood travels to the surface of the body
  • Activity of the brain slows down
  • Sense of pain is reduced
25
Q

Give two ways breathing changes after physical activity

A
  • It speeds up
  • Breathing is deeper
26
Q

Why do you need joints?

A
  • To be able to bend
  • So you can move
27
Q

What mineral is needed for strong bones and teeth?

A

Calcium

28
Q

HOW DOES ANTAGONISTIC PAIRS WORK?

A

Watch a video

29
Q

What is a part like a bicep or tricep?

A

muscles

30
Q

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

A
31
Q

What effect does low temperature have on bacteria?

A

It slows down growing.

32
Q

Why is it important tendons do not strech?

A

So that muscular force is not lost.