From course:
(Practice similar questions for free)
BIOLOGY TOPIC 6 HUMAN PHYSIOLOGY
» Start this Course(Practice similar questions for free)
Question:
How can the heart rate be increased or decreased? (4)
Author: Sammy UniverseAnswer:
Hormonal signalling = sustained slower changes nerve signalling = quick changes changes to blood pressure levels or CO2 concentrations
0 / 5 Â (0 ratings)
1 answer(s) in total
Author
Sammy Universe