The Skeletal And Muscular Systems Flashcards
what is the function of compact bone?
makes bones rigid and hard
what is the function of spongy bone?
provides most of the strength and support for a bone
what is the function of Cartilage?
allows bones to move smoothly across each other
what is the function of Ligaments?
holds bones together, allows movement.
What is a Joint?
Joints are places where bones connect with strong, flexible ligaments.They also have cartilage that cushion the in the joint where the bones meet.
what are some examples of a ball and socket joint?
Shoulders and hips are ball and socket joints.
explain ball and socket joints.
Allows one of the bones of the joint to rotate in a large circle.
what are some examples of gliding joints?
wrists and ankles
explain gliding joints.
it allows flexibility in many directions
what are some examples of hinge joints?
knees and elbows
explain hinge joints.
they work like door hinges allowing bones to move back and forth
where do you find smooth muscle?
found in internal organs and blood vessels. (involuntary)
explain smooth muscle.
helps move materials through the body.
what does smooth muscle look like?
spindle shaped, fat in the middle, thin ends
where do you find cardiac muscle?
The Heart (involuntary)