Lesson 1
This system contains bones as well as other structures that connect and protect the bones and that support other functions of the body
Skeletal system
A ___________ is made of strong tissue that can connect in an orderly way
Muscle
The outermost layer of skin and the only layer in direct contact with the outside environment.
Epidermis
Muscles you can consciously control
Voluntary Muscles
Name three structures of bone
Compact, spongy, bone marrow
Where two or more bones meet
joint
A type of muscle found only in the heart
Cardiac muscle
An injury where blood vessels in the skin are broken, but the skin is not cut or opened.
Bruise
What are the three layers of the skin?
Epidermis, Dermis, Fatty layer
Describe the differences between first, second, and third degree burns.
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Bones are connected to other bones by tissues called
Ligaments
A type of muscle that attaches to bones is called
Skeletal Muscle
A thick layer of skin that gives skin strength, nourishment, and flexibility.
Dermis
A place in the body where two or more bones meet. This provides flexibility and enables the skeleton to move.
Joints
What is homeostasis
Stable internal conditions of the body
the ____________ is a membrane that surrounds the bone
Periosteum
A muscle which you cannot willingly control.
involuntary muscle
A pigment that protects the body by absorbing some of the Sun's damaging ultraviolet light
Melanin
A disease where joints become irritated or inflamed, such as when cartilage in joints is damaged or wears away
Arthritis
Name one immovable joint and one moveable joint
1. ribs/sternum, skull, teeth/jaw
2. shoulders, fingers, hips, knees, elbows,
A disease which causes bones to weaken and become brittle
Osteoporosis
Involuntary muscles which are named for their smooth appearence
Smooth Muscles
The system that includes all external coverings of the body, including the skin, nails, and hair
Integumentary System
This is a region inside of the body where cartilage replaces bone, enabling children and young adults to become taller/larger.
Growth plates
What are the types of movable joints
1. Ball and socket
2. Hinge
3. Pivot