Which option is a main type of muscle tissue?

spongy bone

blood vessels

skin

cardiac

1. To work together to do a specific job

2.cardiac
3. the heart, arteries, the veins
4. The organ system

cardiac

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The main type of muscle tissue is cardiac muscle.

To arrive at this answer, we need to understand the different types of muscle tissues and their characteristics. There are three main types of muscle tissues:

1. Skeletal muscle: This type of muscle is attached to bones and enables voluntary movements, such as walking or lifting objects.

2. Cardiac muscle: Found in the walls of the heart, cardiac muscle is responsible for the involuntary contractions that pump blood throughout the body.

3. Smooth muscle: Also known as involuntary muscle, smooth muscle is found in the walls of hollow organs (such as the stomach and intestines) and blood vessels. It is responsible for involuntary actions like digestion and controlling the diameter of blood vessels.

Out of the given options, "spongy bone," "blood vessels," and "skin" are not types of muscle tissue. Spongy bone is a type of bone tissue, while blood vessels are a part of the circulatory system, and skin is a covering organ. Only "cardiac" is a type of muscle tissue.

https://www.healthline.com/health/cardiac-muscle-tissue