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


Question 1:
What is the meaning of pulse rate?

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


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



Answer:



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.

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.

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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