Heart rate: Sympathic nervous system which responds to increase oxygen demand while running.
Answered 3/31/2012
5.9k views
Hormones called cate: The body releases hormones from the adrenal gland called catecholamines- Epinephrine and norepinephrine to increase the output of the heart to meet the demands of the body.
Answered 6/25/2014
5.9k views
4 doctors weighed in across 2 answers
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question