This is the total number of bones in the human body.
What is 206?
The femur is an example of this type of bone.
What is a long bone?
You have more than this number of muscles in your body.
What is 600?
Muscles do this to bones to create movement.
What is pull?
Exercise helps keep these strong.
What are muscles?
This type of marrow produces blood cells.
What is red bone marrow?
This function of the skeletal system gives your body its shape.
What is support
The skull and ribs are examples of this type of bone.
What are flat bones?
Muscles create movement by doing these two actions.
What are contracting and relaxing?
Bones act like these simple machines.
What are levers?
This nutrient helps keep bones strong.
What is calcium?
This marrow mostly stores fat.
What is yellow bone marrow?
This function protects organs like the brain and heart.
What is protection?
This type of joint is found in the elbow and knee.
What is a hinge joint?
These muscles are attached to bones and are voluntary.
What are skeletal muscles?
These allow bones to move.
What are joints?
A broken bone is called this.
What is a fracture?
These cells carry oxygen.
What are red blood cells?
Bones work with this system to allow movement.
What is the muscular system?
This joint allows movement in many directions like the shoulder.
What is a ball-and-socket joint?
These muscles are found in organs and work automatically.
What are smooth muscles?
When you bend your arm, this muscle contracts.
What is the biceps?
A stretched ligament injury is called this.
What is a sprain?
These cells fight infection.
What are white blood cells?
This is where blood cells are made inside bones.
What is bone marrow?
This flexible tissue cushions joints.
What is cartilage?
This type of muscle is only found in the heart.
What is cardiac muscle?
When the biceps contract, this muscle relaxes.
What is the triceps?
A pulled muscle or tendon is called this.
What is a strain?
These help blood clot.
What are platelets?