Answer:
D
Explanation:
I'm a gymnast so i learned what helps me and others so
<span>Patients suffering from thalassemia require frequent blood transfusions to make up for their short-lived red blood cells. What is the typical lifespan of healthy red blood cells?
<span>The life span of a red blood cell is only about four months.</span></span>
Answer: Go to my profile and answer me math question. Will give you brainliest after you answer
Explanation:
Blood pressure is affected by exercise because when you exercise your heart rate gets faster than your normal heart rate and the blood pressure moves through out you body a bit faster