# biology

posted by .

hi

Exercise makes your heart pump faster increasing your heart rate. is there a chemical reaction for it

thanks

## Similar Questions

1. ### science

an adult male's heart pumps about 2.8 million liters of blood a year. It his heart beats 70 times a minute, how much blood does his heart pump with each heart?
2. ### Biology - Heart Rate/Blood Pressure

Hi, can someone help me with these questions?
3. ### biology, heart rate

hi can you help me write a conclusion saying why your heart rate goes up when you do exercise?
4. ### Math

An Adult male's heart pumps about 2.8 million liters of blood a year. If his heart beats 70 times a minute, how much blood does his heart pump with each beat?
5. ### pre-algebra

measuring your heart rate is one way to check the intensity of exercise. studies show that a person's maximum heart rate depends on his or her age. The expression 220-a approximates a person's maximum heart rate in beats per minute, …
6. ### biology

Can change in heart rate due to exercise be expressed in percentage difference to compare the rest rate and the exercise rate?

Choose all the answers that apply. It's important to keep your exercise intensity within your target heart rate range so that _____. your heart gets a rest you're performing cardiovascular exercise you don't work at too high an intensity …
8. ### Biology

Hey I am doing a lab, the link is down h t t p : //w w w . sd67 . bc . ca/schools/salc/biology%2012/module%20c%20-%20human%20biology/unit%2010%20-%20respiratory%20system/Homeostasis%20Lab .pdf And I really would like help with #1 My …
9. ### Algebra 1B

The polynomial given by 1.6t^ 2 - 28t + 200 calculates the heart rate, where t represents the elapsed time in minutes since exercise stopped. 1. What is the heart rate when the athlete first stops exercising?
10. ### medical terminology/exercise science terminology

how does the body adapt to aerobic exercise a.by increasing blood pressure when a person isn't exercising b.by increasing the heart rate when a person isn't exercising c.by decreasing the heart rate when a person isn't exercising d.by …

More Similar Questions

Post a New Question