Name a function of the skeletal system.
1. Shape and support.
2. Protects internal organs.
3. Allows movement.
4. Makes blood cells.
5. Stores minerals (calcium).
What do most people do to keep their muscles healthy?
Exercise
Name a function of the skin.
1. Protection.
2. Regulate body temperature.
3. Eliminate waste.
4. Sense of touch.
5. Makes vitamin D.
What type of muscle is found attached to bone: cardiac, skeletal or smooth?
Skeletal
What type of muscle is found in the heart: cardiac, skeletal or smooth?
Cardiac
What's the job of the osteoblasts cells?
Build up bone cells.
Which movable joint has the widest range of motion: ball and socket, gliding, hinge or pivot?
Ball and socket
When you sweat, what two things are released through your pores?
Water and salt.
Skeletal muscle is a type of which kind of muscle: involuntary or voluntary?
Voluntary
Smooth and cardiac muscle are types of what kind of muscle: involuntary or voluntary muscle?
Involuntary
Where are the red blood cells formed?
In the bone marrow.
Name a muscle in the arm that bends.
Biceps
What is the largest organ of the body?
Skin
What is the smooth, thick layer of tissue that keeps bones from rubbing into each other called?
Cartilage
What is the outer layer of skin called?
Epidermis
Where's the smallest bone in the human body located?
Ear
What's the difference between a tendon and a ligament?
Ligaments are tissues that connect bone to bone.
Tendons are tissues that connect muscle to bone.
What happens to your epidermis cells on a daily basis?
They die, rub off, and are replaced.
What is the name of the membrane that covers your bones called?
Periosteum.
What layer of skin has sweat glands, blood vessels and hair follicles?
Dermis
How many bones do you have at birth and how many bones do you have in adulthood?
350 & 206
Why do people take illegal steroids?
To increase muscle mass.
Why don't you bleed when you get a minor paper cut on your arm?
There are no blood vessels in the epidermis layer of skin.
What is the pigment in your skin that determines skin color called?
Melanin
What is the innermost layer of skin called?
Fatty layer