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The Human Body and Health

4 dot points across 4 inquiry questions. Click any dot point for a focused answer with worked past exam questions where available.

What does a healthy diet contain, and how do our choices affect our health?

Describe the parts of a balanced diet and their jobs, and explain how healthy choices help prevent disease
A practical answer to the N(T) Science point on diet and health. The food groups in a balanced diet and their jobs, and how healthy choices, exercise and hygiene help prevent disease.
8 min answer →

How does the body move blood around to deliver what cells need?

Describe the heart, blood vessels and blood, and explain how the circulatory system transports oxygen and food around the body
A clear answer to the N(T) Science point on the circulatory system. The heart as a pump, the three blood vessels, what blood carries, and how oxygen and food are transported around the body.
8 min answer →

How does the body break down the food we eat so it can be used?

Describe the main parts of the digestive system and explain how food is broken down and absorbed
A clear answer to the N(T) Science point on digestion. The main parts of the digestive system, how food is broken down by the mouth, stomach and small intestine, and how it is absorbed.
8 min answer →

How does the body take in oxygen and get rid of carbon dioxide?

Describe the parts of the respiratory system, explain breathing and gas exchange in the lungs, and state why we need oxygen
A clear answer to the N(T) Science point on breathing. The parts of the respiratory system, how we breathe in and out, gas exchange in the lungs, and why the body needs oxygen.
8 min answer →