Answer:
D. Wrist and neck
Step-by-step explanation:
Gauging your heartbeat is simple, particularly on the off chance that you do it at your wrist or neck. Essentially lay your file and third fingers within your wrist underneath the base of your thumb, between the bone and the ligament. This spot is over the outspread supply route. At the point when you feel the pound of your heartbeat, tally the pulsates for 15 seconds.