Muscular System. Work with skeletal system to move body contract = shorten/tighten Muscles PULL bones, never push muscle cells are called muscle fibers Often work in pairs/groups for one movement. Function: Movement. Function: Body Temperature.
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contract = shorten/tighten
Muscles PULL bones, never push
muscle cells are called muscle fibers
Often work in pairs/groups for one movementFunction: Movement
Tension = “muscle tone”
Keep you standing up straight (posture)Function: Maintain Posture
Skeletal = you control it (called VOLUNTARY)
Smooth/Cardiac = you don’t control it (called INVOLUNTARY)Types of Muscle
Structure = bundles of fibers
Examples: quadriceps, biceps, triceps, abs, etc.Skeletal Muscle
Babies can’t lift head (neck muscles still weak)Skeletal Muscle Development