Skeleton, Muscular, Protection and Movement
Science

The part of the skeleton that allows movement, like bones of the arms, legs, and hips
Appendicular skeleton
The part of the skeleton that allows movement, like bones of the arms, legs, and hips appendicular skeleton. The appendicular skeleton includes the bones that help you move, like your arms and legs.

The tissue that connects and supports different parts of the body
Connective tissue
The tissue that connects and supports different parts of the body. Connective tissue. Connective tissue is the biological material that holds organs and tissues together, providing support and structure throughout the body.

The second layer of skin that contains blood vessels, nerves, sweat glands, and hair follicles
Dermis
The second layer of skin that contains blood vessels, nerves, sweat glands, and hair follicles. Dermis. The dermis is the thick layer of skin beneath the surface that helps regulate temperature and gives skin its strength and flexibility.

Tissue that lines the interior and exterior body surfaces
Epithelial tissue
Tissue that lines the interior and exterior body surfaces. Epithelial tissue. Epithelial tissue is a protective layer of cells that covers body surfaces and organs, acting as a barrier and involved in absorption and secretion.

The system, including the skin, that separates the body from the outside environment
Integumentary system
The system, including the skin, that separates the body from the outside environment. Integumentary system. The integumentary system is the body's outer protective layer, including skin, hair, and nails.

An involuntary muscle that controls internal organs like the stomach and intestines
Smooth muscle
An involuntary muscle that controls internal organs like the stomach and intestines. Smooth muscle. Smooth muscle is a type of tissue that works automatically to help move substances through organs in your body.