Which of the following is not a primary type of tissue?

This tissue forms boundaries between different environments, protects, secretes, absorbs, and filters.

The function of this tissue type is internal communication.

This tissue type contracts to cause movement.

This tissue type supports, protects, binds other tissues together.

The study of tissue

This tissue type is found in the brain, spinal cord, and nerves.

This type of muscle tissue is attached to bones and helps control voluntary movement.

This type of tissue includes bones, tendons, fat and other soft padding tissue.

This tissue type is found in linings of digestive tract organs, skin surface, and other hollow organs.

This type of tissue include skeletal muscles, cardiac muscles, and smooth muscles.

What are the four types of tissues in the human body? (Select all that apply)