The answer is APNEA. Tacypnea refers to an abnormally fast heart rate, while bradypnea refers to an abnormally slow rate. The normal rate would be apnea. I hope this helped!!
Your heart rate is increased during physical activity to increase cardiac output and deliver the blood flow needed to the muscles to carry out those activities. Your heart itself is a muscle, and also gets a workout during exercise. The job of the heart is to get more blood to the body's muscles when they work hard. Hope this helped.
Answer:
A and/or C
Explanation:
Those are both valid reasons.
