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Marrow
tissue found inside bones
Red Marrow – produces white blood cells, red blood cells, and platelets
Yellow Marrow – made of fat that replaces red marrow as person ages
Extension
Movement of a joint that increases the angle of the joint
(RELAX)
Flexion
The bending movement that decreases the angle of a bone joint
(CONTRACT)
Bones
Organs that contain two types of tissue: Compact Bone – the hard outer layer of bone Spongy Bone – the interior region of the bone
that contains many holes
Periosteum
Outside covering of bone
Periosteum
Cartilage
Stiff, flexible tissue that is part of the skeletal system.
Ligaments
Connective tissue that holds bones together at many joints
Tendons
Connective tissue that attaches skeletal muscle to bone
MusclesThere are 3 types of muscles, that help your body with
movement in different ways.
Skeletal Muscle – works with the skeletal system
and helps your move
Cardiac Muscle – found only in the heart, continually contracts and relaxes to move blood throughout your body
Smooth Muscle – found in organs such as the stomach, bladder,
and blood vessels; moves materials through your body
Voluntary
Muscles that you can consciously control
Involuntary
Muscles you cannot consciously control.