Question

part a: hypothesis and data collection
to find your pulse, lightly place your fingertips on the carotid artery near your neck or on the underside of your wrist as shown in the images. dont press against the skin, as that will prevent an accurate reading. you should be able to feel the beats of your pulse.

question 1
you will measure your pulse during three different activities. first, measure your pulse at rest and then while doing two activities of your choice. for the best variety, choose a moderately intense activity such as walking, followed by a more strenuous activity such as jogging or aerobics. choose activities that you can sustain for 10 minutes. these activities can be performed indoors or outdoors. if you have limited space, you can perform the activities in place.
write down your two activity choices.

Explanation:

The problem is about choosing two activities to measure pulse, which relates to health and human physiology. The subfield Medicine and Health (under Natural Science) is appropriate as it involves studying human body functions like pulse measurement during activities.

Answer:

Two activity choices could be: 1. Walking (moderately intense) 2. Jogging (more strenuous)