Locomotor System
Digestive System
Respiratory Sistem
Circulatory System
Systems and Healthy Habits
100

What three parts help our body move?

Bones, muscles and joints.

100

Where does digestion begin?

In the mouth

100

What is the main function of the respiratory system?

It helps us breathe / brings oxygen into the body and removes carbon dioxide.

100

What organ pumps blood around the body?

The hearth

100

Name one healthy habit that helps your body systems.

exercise, healthy food, enough water, sleep, avoiding smoke

200

What is one important function of bones?

They support/protect the body.

200

What tube carries the bolus to the stomach?

Esophagus

200

What are the two main organs of the respiratory system?

Lungs

200

What does blood carry through the body?

Oxygen and nutrients

200

Which systems work together to carry oxygen through the body?

Respiratory + circulatory.

300

What do muscles and joints help us do?

They help the body move

300

What happens to food in the stomach?

Food is churned and mixed with gastric juices.

300

Put these in order: lungs – nose – trachea.

Nose → Trachea → Lungs.

300

What happens to your heartbeat when you exercise?

It gets faster.

300

Which systems work together to get nutrients from food and carry them through the body?

Digestive + circulatory.

400

Why are bones and muscles both necessary for movement?

 Bones provide structure, muscles move them, and joints allow movement between them.

400

Where are nutrients absorbed and what happens to them next?

Small intestine: nutrients are absorbed into the bloodstream and transported throughout the body.

400

What is the difference between inhaling and exhaling?

We inhale oxygen and exhale carbon dioxide.

400

Why does your heart beat faster when you exercise?

The body/muscles need more oxygen, so the heart pumps blood faster

400

Why do your breathing and heartbeat both become faster during exercise?

Muscles need more oxygen during exercise, so breathing and heartbeat become faster

500

A child never exercises and has poor posture. Give two ways they can care for their locomotor system.

Exercise, good posture, nutritious foods, avoiding injuries.

500

Explain the journey of food using at least four organs.

Mouth → Esophagus → Stomach → Small intestine → Large intestine

500

Explain the journey of air from outside the body to the lungs.

Air → Nose/Mouth → Trachea → Lungs.

500

Explain how the heart, blood and blood vessels work together.

The respiratory system brings oxygen into the body/lungs, oxygen enters the blood, and the circulatory system carries it through the body

500

Explain how the respiratory and circulatory systems work together.

The respiratory system brings oxygen into the body/lungs, oxygen enters the blood, and the circulatory system carries it through the body.