P3 Science

Human Body as a System

This science revision note aims to help your child understand the basics of the human body as a system topic.

 

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Question

(From the Catholic High School (Primary) 2022 P3 SA2 Q31)

Zann grouped the various human body systems.

(a) What are systems C and D?

 

STEP 1: Recall

Identify the keywords:

  • Body systems
  • Windpipe and lung
  • Stomach and small intestine

 

STEP 2: What Science topics are tested?

1. Recognise the various body systems and what they are made up of

  • Respiratory systems: nose, windpipe, lung

  • Digestive systems: mouth, gullet, stomach, small intestine, large intestine

Refer to this video:

STEP 3: Piecing your answer together

(a) What are systems C and D?

Answer

System C is the respiratory system while System D is the digestive system.

 

 

(b) What is the function of system E?

STEP 1: Recall

Identify the keywords:

  • Ribs and skull

Identify the system: skeletal system

 

STEP 2: What Science topics are tested?

1. Identify the skeletal system and their function.

Skeletal system: give the body its shape and protect vital organs

 

STEP 3: Piecing your answer together

(b) What is the function of system E?

Answer

Identify the system: skeletal system.

The skeletal system gives the body its shape and protects the organs in the body.

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