question
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Answer
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the skeleton _______ vital organs
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protects
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the skeleton stores two different minerals called?
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calcium and phosphorous
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phosphorous helps reduce ______ ____
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muscle pain
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name three things the skeleton produces
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red blood cells white blood cells platelets
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skeleton allows movement at ____
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joints
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our muscles are attached to bones by _______
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tendons
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when the muscles ________ the bone moves
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contract
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cylindrical in shape and found in the limbs, their main function is movement, by acting as a lever
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long bones
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small and compact often equal in length and width. they are designed for strength and weight bearing,
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short bones
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have a flat surface. their function is to protect you internal organs
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flat bones
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compex individual shapes and perform a variety of functions including protection and muscle attachment
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irregular bones
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name a long bone
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femur | radius | tibia
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name a short bone
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carpals and tarsals
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name a flat bone
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ribs | cranium | sternum
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name an irregular bone
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vertebrae
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vertebral column (7 vertebrae)
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cervical vertebrae
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vertebral column (12 vertebrae)
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thoraic vertebrae
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vertebral column (5 vertebrae)
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lumbar vertebrae
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5 fused vertebrae
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sacrum
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4 fused vertebrae
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coccyx
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the upper 24 vertebrae allow ________
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movement
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the lower nine vertebrae are _____
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fused
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this joint can be found in the neck. it allows only rotational movement
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pivot joint
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these can be found in the elbow and ankle allow movement in one direction only
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hinge joint
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can be found at the shoulder and hip and allow movement in almost every direction
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ball and socket joint
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similar to a ball and socket joint. found at the wrist
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condyloid
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what does synovial fluid do
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lubricates the joint
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bending a limb to decrease the angle at a joint
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flexion
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straightening a limb to increase the angle at a joint
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extension
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moving a limb away from the mid line of the body
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shoulder abduction
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moving a limb towards the mid line of the body
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shoulder adduction
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turning about the vertical axis of your body
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rotation
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circular movement of a body part
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circumduction
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decreasing the angle at the ankle joint
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dorsi flexion
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increasing the angle at the ankle joint
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plantar flexion
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forms a cushion between bones to stop them rubbing
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cartilage
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like very strong string that holds bones together
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ligaments
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found in the internal organs and blood vessels-this is involuntary
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smooth muscle
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found only in the heart-this is involuntary
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cardiac muscle
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attached to the skeleton/bones-this is voluntary
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skeletal muscle
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muscle work in ____________ pairs
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antagonistic
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contracts,shortens
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agonist
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relaxes,becomes longer
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antagonist
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