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Heart cells must contract simultaneously to move blood.
Which best describes the connections among heart cells?
A. many branches and many communicating junctions
B. many branches with thick, rigid walls
O C. few branches to promote slow contractions
D. no connections to allow individual action
O E
communicating junctions with few branches

Respuesta :

Answer:

A

Explanation:

The heart cells must contract simultaneously to move blood.

This means that it needs to act fast and efficiently.

Therefore, the connections among heart cells are characterized by :

  • having many branches
  • having many communicating junctions

The correct option should be A

LightFury456

Answer:

A. Many branches and many communicating junctions.

Explanation: