Human Systems

Human systems. 4 kinds of tissue- epithithal tissue- skin lining of body cavities national mouth and nose. Covers all internal structures nervous tissues- Nerve ceels run away information throught the body connective tissue- supports protects and insulates the body fats cartilage play out tendons ligaments heftiness tissue- allows movement using ponderosity contractions 3 types of muscle tissue skeletal muscle tissue-involuntary muscle that you can sustain a rush of statioms that makes the uscle strong. Smooth muscle- involuntary muscle set up in the stomach,intestinesand demarcation vessels weak muscles few striations. Cardiac muscle-heart muscle more straightioms than muted muscle but not as much as skeletal muscles. Skeletal muscle- gives the body shaoe and support. It withal protects onternal organs straight off get up ribd,pelvis. Endoskeleton mammals ,reptiles,amphibians,birds,fisj Exoskeleton- Anthropods,crabs,shrimp,shrimp,insects,spiders,sk eleton, outside(a) the belly. Osteoclasts- bone cells that carry away bone tissue Osteoblasts-bone cells that physique up bone tissue Osteocytes-bone cells that maintain bone wellness (regular bone cell) Osteoporosis- the release of bone tissue usually because of age. Causes bone up to become porous and brittle and start as early as 35 yeard old.

Affect women more than men sack of sex hormones during menopause increases bone loss in women. Dowagers hump- curve ball of the spine Fracture- break in bone femur-longest bone in body. axile skeleton- 80 cram made of the cranium,vertebrae, ribs, tail bone, and sternum. Appindicular skeleton-126 bones including arms legs an d shoulder Haversians canals- tubes that c! ontain blood vessels that enter bone. Throught the periosteum new-sprung(prenominal) bone cells are added in layers around this hollow channel. reduce bone periousteum- dense hard bone covered by the peristeum exterior membrane covering the bone that contains blood vessels that interpret nutrients to the bone. Spongybone- loosely structured bone integral...If you want to get a full essay, order it on our website: OrderEssay.net

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