Grade 6 Science & Technology · Strand 1: Living things and the Environment · Human Circulatory System
Introduction to the Circulatory System
A short Grade 6 Science & Technology lesson for the CBE curriculum, part of Living things and the Environment: Human Circulatory System. Learn it on any phone with notes and slides, then check yourself with a quick quiz and earn XP. This lesson is free.
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5 questions from this lesson’s quiz. Start the lesson to answer them and see the right answers.
1. Which of the following lists the three main components of the human circulatory system?
- A. Heart, blood vessels and blood
- B. Heart, lungs and stomach
- C. Blood, bones and muscles
- D. Brain, blood vessels and kidneys
2. Where is the human heart found in the body?
- A. Far left side of the abdomen, below the stomach
- B. Almost in the centre of the chest between the two lungs, tilted slightly to the left
- C. In the neck, just below the head
- D. On the right side of the chest, beneath the liver
3. The size of your heart is roughly the same as which part of your own hand when it is closed tightly?
Type your answer in the lesson.
4. After a race on the school field, Wanjiru is still breathing heavily and her pulse is fast. What is the best explanation?
- A. Her blood has stopped moving so her body needs to restart it
- B. Her body needs extra oxygen, and the blood must still carry waste away from her muscles
- C. Her heart is tired and will never beat normally again
- D. Her veins have turned blue because of the exercise
5. Which statement about blood in the human body is correct?
- A. Blood in veins is blue until it touches air
- B. Blood only delivers nutrients and does not collect any waste
- C. Blood carries oxygen and nutrients to cells and collects waste such as carbon dioxide
- D. Blood only carries heat and nothing else
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