Page 20 - Syok Praktis PBD (2023) Science TH5

Science Year 5 Practice 2 Humans

HOTS Practice

1. (a) The trachea is a part of the respiratory system,
whereas the oesophagus is a part of the digestive
system. Diagram 1 shows an emergency situation.
(i) Why is this situation described as an emergency? Food Oesophagus
piece
Trachea
(ii) How does this situation happen?
Diagram 1

(iii) How can that piece of food be dislodged from the trachea?

(iv) What will happen if that piece of food cannot be dislodged from the trachea?

(b) Diagram 2 shows lung cancer in the human body.

Lung

Tumor
Diagram 2
Which of the following is a cause of lung cancer? Choose the correct answer.

(i) (ii)

(iii) (iv)

Gamified
Quiz 1

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02 SYOK PBD SCIENCE YEAR 5.indd 18 05/10/2022 1:36 PM