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Name____________________Date___________Per.____ Muscular – Skeletal System Study Guide Know and write the definitions of the following terms: 3 functions of muscles- movement, maintaining body temp., maintaining posture smooth muscle- what the stomach is made up of. Found inside lungs, stomach, & intestines skeletal muscles- controls the blinking of your eyes- voluntary cardiac muscle- found in the heart tendons-connects skeletal muscles to the bone voluntary- another name for skeletal muscle involuntary- another name for smooth. We do not have control of it. functions of skeletal system- serve as anchor for all of the body’s movement, provides support, and protects soft organs inside the body. compact bone-hard and surrounds the soft spongy bone. spongy bone-strong but light weight marrow-what blood cells are made up of joint-where bones meet what are bones made of? Hard material, soft material, and living tissue Ligaments- tissues that hold the bones together at moveable joints growth plates-where bones growth occurs- made of cartilage and connective tissue humerous bone-the upper arm bone patella bone- the kneecap number of bones in foot and ankle 26 bones Know the function and main skeletal parts of: axial skeleton- includes the skull and the spinal column appendicular skeleton- allows movement Know how bones change through: Infancy- skull is made up of several bones with spaces between them. As the brain grows the skull grows and the spaces close up. Childhood- bones grow at the growth plate Adolescence- bones stop growing. Growth plate is the last part of the bone to become hard and arms and legs stop growing. Adulthood- bones go through cycles. Old bones are broken down and new bones form. The older you get the less dense bones are. 8 types of joints: fibrous-little to no movement found in the skull cartilaginous -moveable in childhood, fixed when adult plane- found where bones are flat ball & socket-found in the shoulders and hips hinge-found in the elbow and knee- move back and fourth pivot- found in the neck and where the radius and ulna meet, below the elbows saddle- where the thumb meets the palm condyloid- occur between fingers