The heart has 4 "doors" that prevent blood from going in the wrong direction. What is the name of the "doors?"

Answer is in the photo. I can't attach it here, but I uploaded it to a file hosting. link below! Good Luck!

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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-

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