Year 8 Science · Unit 1 · Lesson 9

The Circulatory System

Foundation Worksheet

Name
Date
Class

Learning Goals

Warm Up

Fill the gap

Choose the correct word from the word bank to complete each sentence. Two words will not be used.

heart blood vessels blood circulatory pumps transports lungs system

The system is a transport system that moves substances around the animal's body. It has three connected components. The is an organ that blood through the body. The are tubes that carry blood to and from different parts of the body. The is the transport medium, it useful substances such as oxygen and nutrients to cells, and carries wastes away.

Your Turn

True or False? Fix the false ones

Circle T or F for each statement. If the statement is false, rewrite it correctly on the line below.

The circulatory system is just the heart working alone.

Correct it:

T
F

Blood is part of the circulatory system because it is the medium that carries substances around the body.

Correct it:

T
F

Blood vessels carry blood away from the heart only, they cannot carry blood back toward the heart.

Correct it:

T
F

The circulatory system solves the transport problem in large animals by using the heart, blood vessels and blood working together.

Correct it:

T
F

Show What You Know

1. Name the three components of the circulatory system. For each one, state its role in the system.

Recall 3 marks

2. An Australian Institute of Sport coach asks: "Why does an athlete's heart rate increase during exercise?" Using what you know about the circulatory system's role, explain why this happens.

Recall 2 marks

Wrap Up

In one sentence, what was the main idea of this lesson?

HSCScience · Year 8 Science · Unit 1 · Lesson 9 · Foundation Worksheet