Question

Mark joined a 100 meter dash.what will most likely happen to his heart

Answer 1

Answer:

Heart will beat faster.

Explanation:

While running lungs require more oxygen which increases our breathing rate and eventually triggers our heart to beat faster.

Answer 2

Mark's heart rate increases because he need more oxygen during 100 meter dash.

Explanation:

• 100 meter dash is the shortest event and it is called as sprint events.
• While running, muscles need more oxygen than resting muscles.
• The heart rate increases, since it pumps the blood faster.
• Beats per minute is used to measure pulse in the human body.
• To get oxygen while running, blood is circulated to muscles.
• The heart rate of a person differs during running.
• While running, body requires more oxygen and hence it gives more carbon dioxide.