Health And Lifestyle

Question 1

What is a carbonhydrate and what are some sources of it ?

Answer 1

Fuel for the body; more should be consumed if active or growing.
Pasta ,potatoes ,cous cous, bread, brown rice.

Question 2

What is protein and what are some of the sources of it?

Answer 2

Needed for growth and repair. Meat ,eggs, fish ,walnuts

Question 3

What are lipids and what are they and what are some sources of it?

Answer 3

Lipids have more energy, stored in case, not enough carbonhydrates are consumed. Some sources of it are butter, cream ,cooking oil

Question 4

What are vitamins and minerals and what are some of the sources?

Answer 4

 Vitamins and minerals Keep many vital processes happening including growth and health

Question 5

What does fibre help with in your body and what are some of the sources of it?

Answer 5

Fibre has food move through your digestive system,(intestines),avoiding constipation.
Some of the sources are vegetables, fruit, walnuts, cereals, and oats .

Question 6

How does water help your body and what are some of the sources of it?

Answer 6

Without water you can very quicklydie. All chemical reactions happen in water for example, digestion.

Question 7

How do you workout your daily basic energy requirement?

Answer 7

For every kilogram of body mass you need 5.4 kJ of energy every hour. This is the basic energy requirement (BER) needed to maintain essential, bodily functions.
You calculate it like this:
Dailey BER (kj/day)= 5.4×24 hours times body-mass (kg)
For example, a 50 kg person requires 5.4 × 24 × 50 = 6480 kJ per day

Question 8

What is obesity?

Answer 8

If you taken more energy from your diet, then you use up your body will store the extra energy as fat, so you will put on weight

Question 9

What is starvation?

Answer 9

Not getting enough food to eat. Some effects of starvation include slow growth, being more likely to get infections and irregular periods in a woman.

Question 10

What are Deficiency diseases

Answer 10

It causes problems with the skin joints and gums. For example, the lack of vitamin C can cause scurvy.

Question 11

Define digestive system

Answer 11

Organ system with food is taken to the body,broken down , and absorbed into the blood

Question 12

Define drug

Answer 12

A chemical that affects the way your body works

Question 13

The role of the mouth

Answer 13

Digestion starts here, it digests mechanically, and chemically

Question 14

The role of the oesophagus

Answer 14

Links to mouth to the stomach in a wave like movement called peristalsis.

Question 15

The role of the liver liver

Answer 15

Makes bile which emulsifies lipids . it’s also alkaline to give the right pH for the enzymes in the small intestine?

Question 16

The role of the stomach

Answer 16

The food is churned up
The food mixes with protease( an enzyme bracket ) hydrochloric acid is present to kill harmful bacteria.

Question 17

The role of the pancreas

Answer 17

The pancreas creates three enzymes:
protease =which digests proteins
Carbohydrase= which digest carbohydrates
Lipase= which digests lipids.

Question 18

What is the role of the small, small intestine?

Answer 18

It produces more enzymes to further digest, protein, carbohydrates and lipids. Food is also absorbed through the gut wall into the blood, which then takes around the body,

Question 19

What is the role of the large intestine?

Answer 19

Absorbs water, so we don’t all shrivel up

Question 20

What is the role of the rectum?

Answer 20

The undigested food is stored as faeces here the digestion story ends when it plops out of the anus - egestion

Question 21

For food molecules to be absorbed in the gut wall. What kind of organ is needed for this to happen?

Answer 21

Villi

Question 22

What are villi?

Answer 22

The small intestine is lined with tiny finger like projections called Vili.

Question 23

Why are villi perfect for absorption of food molecules?

Answer 23

Reason one, they have a thin outer layer of cells. This means the molecules don’t have far to travel to get into the blood.
Reason tow to they have a good blood supply. This allows the food to be absorbed into the blood easily and transported to other cells in the body
Reason, three They provide a large surface area for absorption. This increases the number of molecules that can be a absorbed at the same time.

Question 24

Define respiration

Answer 24

The release of energy from glucose in the mitochondria

Question 25

Some diseases, caused by smoking

Answer 25

Heart disease, cancer, heart attack/stroke

Question 26

What are some chemicals that make up a cigarette?

Answer 26

Tar, hydrogen cyanide ,nicotine, tobacco ,carbon monoxide

Question 27

Tar and other chemicals are…

Answer 27

Call carcinogenic

Question 28

What does carcinogenic mean?

Answer 28

Substances that can cause cancer, for example, lung, cancer or mouth cancer

Question 29

What is tar?

Answer 29

A black sticky carcinogenic substance, found in tobacco

Question 30

What is the difference between recreational and medical drugs?

Answer 30

Medical drugs are prescriptive to help people suffering from pain or disease
Recreational, drugs, or chemicals are used for people who, like the effect it has on their bodies

Question 31

What are stimulants?

Answer 31

Stimulants are drugs which give the use of feeling of boundless energy. They have affects on the person behaviour and character deteriorates because they become psychologically dependent.

Question 32

What are some examples of stimulants?

Answer 32

Caffeine, nicotine, cocaine, glue (super glue) and gas

Question 33

What are depressants?

Answer 33

Depressants are drugs which slow down , the nerve system And therefore slowdown reaction time.

Question 34

What are some examples of depressants?

Answer 34

Alcohol, tranquilises or solvents

Question 35

What are hallucinogens?

Answer 35

This is a drug that changes a persons thoughts and thinking, creating visions or hallucinations

Question 36

What are some examples of hallucinogens?

Answer 36

These include cannabis, LSD or magic mushrooms