Radience

Bones, Muscles and Skin

Science

Watch Lesson: Bones, Muscles and Skin

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an involuntary muscle found only in the heart

An Involuntary Muscle Found Only In The Heart.

Cardiac Muscle

Cardiac Muscle Simple Definition

a strong, flexible connective tissue found in skeletons

A Strong, Flexible Connective Tissue Found In Skeletons.

Cartilage

Cartilage Simple Definition

the hard outer layer of a bone

The Hard Outer Layer Of A Bone.

Compact Bone

Compact Bone Simple Definition

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

The Second Layer Of Skin That Contains Blood Vessels, Nerves, Sweat Glands, And Hair Follicles.

Dermis

Dermis Simple Definition

the glands and hormones that regulate body conditions and growth, like the thyroid

The Glands And Hormones That Regulate Body Conditions And Growth, Like The Thyroid.

Endocrine System

Endocrine System Simple Definition

the system, including the skin, that separates the body from the outside environment

The System, Including The Skin, That Separates The Body From The Outside Environment.

Integumentary System

Integumentary System Simple Definition

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

A Muscle That Is Not Under Conscious Control, Like The Heart Muscle.

Involuntary Muscle

Involuntary Muscle Simple Definition

a point where two or more bones meet

A Point Where Two Or More Bones Meet.

Joint

Joint Simple Definition

a tough band of tissue that holds bones together at a joint

A Tough Band Of Tissue That Holds Bones Together At A Joint.

Ligament

Ligament Simple Definition

the ratio of the output force to the input force in a machine

The Ratio Of The Output Force To The Input Force In A Machine.

Mechanical Advantage

Mechanical Advantage Simple Definition

the organ system made up of muscles that help the body move

The Organ System Made Up Of Muscles That Help The Body Move.

Muscular System

Muscular System Simple Definition

a muscle that is attached to the skeleton

A Muscle That Is Attached To The Skeleton.

Skeletal Muscle

Skeletal Muscle Simple Definition

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

All The Bones In The Body That Support It, Help It To Move, And Protect Internal Organs.

Skeletal System

Skeletal System Simple Definition

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

The Outer, Thinnest Layer Of Skin That Is Made Up Of Dead Cells.

Skin Epidermis

Skin Epidermis Simple Definition

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

An Involuntary Muscle That Controls Internal Organs Like The Stomach And Intestines.

Smooth Muscle

Smooth Muscle Simple Definition

a tough band of tissue that attaches bones to muscles

A Tough Band Of Tissue That Attaches Bones To Muscles.

Tendon

Tendon Simple Definition

one of the 33 bones that make up the backbone

One Of The 33 Bones That Make Up The Backbone.

Vertebrae

Vertebrae Simple Definition

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

A Muscle That Is Under Conscious Control, Like The Arm Or Leg Muscles.

Voluntary Muscle

Voluntary Muscle Simple Definition

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