Question

What's the human heart made of?

Answer 1

Hint: The heart can be a muscular organ about the size of a fist. The heart pumps blood through a network of arteries and veins called the circulatory system.

Complete answer:
The human heart is one of the most important organs to sustain life. It is a four-chambered muscular organ. The size of the heart is the size of a few fists.
The human heart is active during a person's lifetime and is one of the strongest and most active tissues in the body.
Besides humans, most animals have a heart that pumps blood throughout the body. Even grasshoppers, such as grasshoppers, have a pump-like organ in the heart, or they do not work in the same way as the human heart.
Heart Activity:
The function of the heart in any creature is to maintain a continuous flow of blood throughout the body. This replenishes oxygen and circulates nutrients between cells and tissues.
The following are many heart functions:
1. One of the first functions of the human heart is to pump blood throughout the body.
2. Blood carries oxygen, hormones, glucose, and other components to the body, including the human heart.
The heart also ensures that enough signals are retained in the body.

Note:
The human heart is located between the lungs within the chest, slightly to the left of the sternum (chest bone). Based on the cervical mucosa tissue.