The heart is made of tissues and is part of an organ system.
What is a tissue?
Tissue is a group of cells that have a similar structure and that function together as a unit.
The cardiovascular system is the system responsible for delivering blood to different parts of the body.
It consists of the following organs and tissues: The heart: A muscular pump that forces the blood around the body.
Hence, heart is made of tissues and is part of an organ system.
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