It should be around 220 bpm minus the persons age
I think it’s B I’ve seen it before but I’m not sure
Answer:
Your heart is made up of four chambers, two on the right and two on the left. These are like the rooms of your house.
The top two chambers are called the left and right atrium and the bottom two are called the left and right ventricles.
They are divided by a thin wall called the septum.
Explanation:
Um i hope i helped-
