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Gekata [30.6K]
3 years ago
7

The walls of the human heart are made of a specialized form of muscle tissue known as cardiac tissue. This cardiac, or heart, ti

ssue contracts the chambers of the heart to cause rhythmical beating and blood circulation.
Tissues in the human body, such as cardiac tissue, are made up of

A.

nerves.

B.

blood.

C.

organs.

D.

cells.



please help meee
Biology
1 answer:
Natalka [10]3 years ago
8 0

Answer:

d. cells

cardiac tissue are made up of cells.

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