mishaljabeen65 mishaljabeen65
  • 02-03-2017
  • Biology
contestada

A person who's resting heart rate is 55 and after exercise, his heart rate is 160, is said to have a well developed heart muscle. Why is this so?

Respuesta :

hayleebug0806 hayleebug0806
  • 02-03-2017
because when exercising your heart pumps more blood to your body and 
it has more space to fill so it beats faster
Answer Link

Otras preguntas

Importance of talent
Find the lateral area of the pyramid to the nearest whole number.
Triangle LMN is similar to triangle PQR. The length of PQ is twice the length of LM. If the cosine of angle L is 9/19 , what is the cosine of angle P? A. 18/19
The kingdom of Israel was united under?
describe William Wordsworth’s relationship with nature in “I Wandered Lonely as a Cloud.” in oen paragraph using evidence from the text.
which best estimate of the sum of 5 1/5 and 8 5/6
Find the circumference of the circle
PLEASE HELP ME ASAP!!!
If segment AC is a diameter of the circle what can you conclude about triangle ABC
A pet store sells 15 pounds of fish food in 3 days. What is the unit rate in pounds per day? A. 1/45 pound per day B. 1/5 pound per day C. 5 pounds per