Muscular System and Skeletal System
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70 terms
Terms | Definitions |
|---|---|
 skeletal system | a living framework for the body |
| ligaments | connective tissue that holds bones together |
| tendons | attaches muscles to bones |
| cartilage | dense fibers strong for support but flexible, act as shock absorbers |
| compact bone | the hard outer surface of bones |
| marrow | these help make red and white blood cells |
| periosteum | the active membrane of bones |
| spongy bone | this part of the bone has tiny openings with blood vessels and nerves |
| support, protection, anchors, blood protection | the four major functions of the skeletal system |
| skeletal muscle | they attach to your bones to move them and are voluntary |
| cardiac muscle | these are found in your heart and are involuntary |
| smooth muscle | these muscles control breathing, blood pressure, digestions, etc. and are involuntary |
| skeletal, cardiac, smooth | the 3 types of muscle |
| 206 | there are this many bones in a typical adult |
| 600 | the body has more than ___muscles |
| push | muscles can only pull but they never do this |
| biceps, triceps, or quadriceps and hamstrings | an example of muscles working in pairs |
| red and white blood cells | bone marrow manufacturers a lot of these |
| joint | where 2 bones meet |
| movable | this type of joint allows motion like a hinge joint |
| immovable | this type of joint is fixed |
| ball and socket joint | this type of joint allows a wide circular motion, is located at the hip and shoulder |
| hinge joint | this type of joint is similar to the opening and closing of a door |
| gliding joint | this type of joint allows bones to slide over one another |
| pivot joint | this type of joint allows a turning motion where one bone rotates over another |
| fixed joint | this type of joint is immovable |
| sprain | a painful injury to a ligament when it gets torn or damaged |
| cranium | this is made up of many bones and protects the brain (skull) |
| mandible | the jaw bone |
| pelvis | the hip bone |
| tarsals | ankle bones |
| carpals | wrist bones |
| patella | knee cap |
| scapula | shoulder blade |
| vertebrae | backbone |
| clavicle | collarbone |
| radius | the bone in the lower arm in line with your thumb |
| ulna | the smaller bone in the lower arm |
| femur | the upper thigh bone...the largest bone in the body |
| tibia | shinbone |
| fibula | the smaller of the 2 bones in the lower leg |
| sternum | breast bone |
| ribs | protects the lungs and other vital organs |
| phalanges | your fingers and toes |
| metacarpals | the middle bones of your hand |
| metatarsals | the middle bones of your feet |
| biceps | front of the arm muscles to curl something |
| triceps | back of the arm muscles |
| quadriceps | front thigh muscles...group of 4 muscles |
| pectorals | chest muscles |
| gluteus maximus | butt muscles |
| gastrocnimius | calf muscles |
| abdominals | stomach muscles |
| trapezius | back of the neck muscles |
| deltoids | shoulder muscles |
| spinal cord | the bones of the vertebrae protect and enclose this |
| voluntary | muscles that we control |
| involuntary | muscles we can't control |
| bicep, tricep | to bend your arm you must contract this muscle and relax this muscle |
| tricep, bicep | to straighten your arm you must contract this muscle and relax this muscle |
| pairs | skeletal muscles act in |
| relaxes | when one skeletal muscle contracts, its partner does this |
| axial skeleton | the part of the skeleton that includes the cranium, ribs, and spinal column |
| appendicular skeleton | the part of the skeleton that functions to allow movement |
| cells, tissue, organs, organ system, organism | levels of organization in humans |
| cell | the basic unit of life |
| tissue | groups of similar cells working together to function together |
| organ | groups of tissue working together to carry out a function in the body |
| organ system | groups of organs working together to carry out a function in the body |
| homeostasis | the ability of the body to maintain internal conditions |
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