Formative Practice 3.2 – Form 4 Science (KSSM) Chapter 3

Question 1:
What is the meaning of pulse rate?

Pulse rate is the measurement of the number of heartbeats per minute.

Question 2:
Tick (✓) for the correct way of finding a pulse.


Question 3:
Ruzzana is pregnant. In your opinion, is Ruzanna’s pulse rate the same as a woman who is not pregnant? Justify your answer.

No. Pregnant women have a higher pulse rate because their hearts need to pump more blood to supply sufficient oxygen and nutrients to the foetus.

Question 4:
One day, Azril took his pulse. After running in a park near his home, Azril took his pulse again. In your opinion, will the pulse readings be the same? Justify your answer.

No. The pulse rate will increase after doing physical activities. This is because the heart needs to pump more blood to supply more oxygen to the body.

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