Game Smartz

Bones, Muscles and Skin

Science

Bones, Muscles and Skin Chapter Video

Bones, Muscles and Skin Chapter Video

cardiac muscle

an involuntary muscle found only in the heart
cardiac muscle Simple Definition

cartilage

a strong, flexible connective tissue found in skeletons
cartilage Simple Definition

compact bone

the hard outer layer of a bone
compact bone Simple Definition

dermis

the second layer of skin that contains blood vessels, nerves, sweat glands, and hair follicles
dermis Simple Definition

endocrine system

the glands and hormones that regulate body conditions and growth, like the thyroid
endocrine system Simple Definition

integumentary system

the system, including the skin, that separates the body from the outside environment
integumentary system Simple Definition

involuntary muscle

a muscle that is not under conscious control, like the heart muscle
involuntary muscle Simple Definition

joint

a point where two or more bones meet
joint Simple Definition

ligament

a tough band of tissue that holds bones together at a joint
ligament Simple Definition

mechanical advantage

the ratio of the output force to the input force in a machine
mechanical advantage Simple Definition

muscular system

the organ system made up of muscles that help the body move
muscular system Simple Definition

skeletal muscle

a muscle that is attached to the skeleton
skeletal muscle Simple Definition

skeletal system

all the bones in the body that support it, help it to move, and protect internal organs
skeletal system Simple Definition

skin epidermis

the outer, thinnest layer of skin that is made up of dead cells
skin epidermis Simple Definition

smooth muscle

an involuntary muscle that controls internal organs like the stomach and intestines
smooth muscle Simple Definition

tendon

a tough band of tissue that attaches bones to muscles
tendon Simple Definition

vertebrae

one of the 33 bones that make up the backbone
vertebrae Simple Definition

voluntary muscle

a muscle that is under conscious control, like the arm or leg muscles
voluntary muscle Simple Definition

Related Chapters