194,341 views
7 votes
7 votes
These agents affect rate of contraction

User Babette
by
2.7k points

1 Answer

21 votes
21 votes

Answer:

I think the answer is chronotropic.

Step-by-step explanation:

I hope this helps!

User Justintime
by
3.0k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.