Science

Question 1

Define a balanced diet

Answer 1

A balanced diet is one which contains all of the 7 nutrients in the correct amounts

Question 2

What are the 7 nnutrients

Answer 2

Carbohydrates
Protiens
Fats
Minerals
Vitamins
Water
Fibre

Question 3

How does starvation occur

Answer 3

Starvation occurs when someone does not get enough food to allow their body to work properly

Question 4

What is malnutrition

Answer 4

malnutrition is when someones diet is not balanced

Question 5

Why is a balanced diet important

Answer 5

A balanced diet is important so you do not

Question 6

Name the 4 parts of the heart

Answer 6

Right and left Atriums and Ventricles

Question 6

What happens in the heart

Answer 6

The body pumps deoxygenated blood into the right atrium through the vena cava and it goes to the right ventricle then travels through the pulmonery artery into the lungs to gett oxygenated then through the pulmonery vein into the left atrium then through to the left ventricle then pumped throughout the body by the aorta

Question 7

Define an Artery

Answer 7

They go away from the heart.
They have a high blood pressure.
They are very strong and thick.
They have no valves

Question 8

Define a vein

Answer 8

Going to the heart.
Low blood pressure.
Thin walls.
And has valves

Question 9

Define a cappilery

Answer 9

Goes from artery to veins.
Low blood pressure.
Thin walls.
No valves

Question 10

Why is smoking bad

Answer 10

carbon monoxide in cigarettes replaces red blood cells with carbon monoxide so heart has to work faster to supply enough oxygen for the cells. Nicotine increases blood pressure by making blood vessels narrow.