dreworlds111 dreworlds111

28-03-2020
Biology

contestada

Which is an organ?

1 heart
2 circulatory system
3 blood
4 muscle tissue

Respuesta :

jbeenflips jbeenflips

28-03-2020

Answer:

The heart is an organ

Explanation:

The circulatory system is just that a system.

Blood is just the liquid inside the circulatory system.

Muscle tissue is what makes up the heart along with other muscles and organs.

Answer Link

aleesaali786 aleesaali786

28-03-2020

The heart is an organ

Answer Link

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