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BJU Science 4 Chapter 12: Bones & Muscles
Terms in this set (33)
the main bone in your head which protects your brain
these bones make up your backbone, and they protect your spinal cord
hard, living tissue
a group of bones that form the frame for your body
the place where two or more bones come together
Joints that do not move (like in your skull)
joints that move where the bones come together. (like your neck, knees, and shoulders
ball and socket joint
a joint that moves in many directions - like your shoulders and hips
a joint that moves back and forth - like your elbows and knees
a joint that moves side to side - like your neck
strong elastic tissue that connects the bones, keeping it from bending back too far and also allowing you to straighten it out again.
strong, flexible tissue found in joints and acts as a cushion for all your moving around.
a group of stretchy tissues that moves parts of the body
skeletal muscular system
the system of bones and muscles working together to allow movement
shortening the muscle (like bending your arm)
lengthening the muscle (like when you pull your arm down again)
muscles that you can control (like kicking a ball)
muscles that you cannot control (like your heart. It works all the time.)
one type of involuntary muscle
vitamin found in sunlight
when a bone is put under too much pressure causing a crack or break
injury to a muscle
when a joint is twisted too hard the injury to a ligament, tendons and blood vessels is a _________
2 jobs of bones is to support the ______ and protect the _______.
blood cells, minerals
2 more jobs of bones is to produce ______ _______ and store _______.
skeletal and facial
2 kinds of voluntary muscles
Muscles work together in pairs when one muscle ________, the other muscle ______
most skeletal muscles are _____ muscles
facial muscles are _____ muscles
The smooth muscles of the organs are _____ muscles.
food, exercise, rest
3 things bones and muscles need to be healthy is the right kind of ________, _______________, and _________.
Christians can use knowledge of the body system to help take better care of their_________ and help other people who are _____________