Muscle, Skeletal, And Skin Systems Flashcards
What protects the skin from burning?
Melanin
Skin forms a _______________that keeps disease causing microorganisms and harmful substances outside the body.
Barrier
Which part of the skin contains the nerves and blood vessels?
Dermis
Washing your face gets rid of dirt
and harmful bacteria such as…
Acne
List the five major functions of the skeleton.
Provides shape and support. Enables you to move. Protects your organs. Produces blood cells. Stores minerals and other materials.
The 26 small bones that make up the backbone are the ______________.
Vertebrae.
The long bones of the arms and legs make ____________.
Blood.
Circle the letter of bones that are held together but immovable joints. A. Knee B. Ankle C. Skull D. Wrist
C. Skull
What kind of Motion does the hinge joint have?
Allows forward and backward motion.
Where is the hinge joint found in your body?
Found in the knee and elbow.
What kind of motion does the ball and socket joint have?
Allows a free swinging motion.
Where is the ball and socket joint found in your body?
Found in your shoulders and hips.
What kind of motion does the pivot joint have?
Allows one bone to rotate around another.
Where is the pivot joint found in your body?
Found in your neck.
What kind of motion does the gliding joint have?
Allows one bone to slide over another.
Where is the gliding joint found in your body?
Found in your ankles and wrists.
