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7th Grade Unit 3.3 Movement and Forces

Horizontales
A fixed point around which the rod of a lever turns.
Includes bones, ligaments, cartilage, and tendons which anchor the body's movements, provide support, and protect the internal organs.
A type of muscle that moves without voluntary control.
A type of muscle tissue that contracts without voluntary voluntary control.
Consists of the bones that function to allow movement.
A push or a pull; something that changes the motion of an object.
The force exerted on a machine.
A type of muscle tissue that is attached to bones in the body. They help give the body its shape and allow for voluntary movement.
Verticales
A tough but flexible connective tisue.
Consists of skeletal muscles which are attached to the skeleton.
The output force divided by the input force.
The central part of the skeleton that includes the skull, spinal column, and the ribs.
One of six devices on which all other mechanical machines are based: the pulley, lever, screw, axel, wedge, and inclined plate.
A place where two bones in the skeletal system meet.
The force that a machine exerts on an object.
A rod that can pivot around a fixed point.