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Module 1J - A&P
Introduction to the Human Body
| Question | Answer |
|---|---|
| muscle tissue | composed of cells that shorten or contract that cause body movement |
| called fibers rather than cells because they are long a slender | |
| 3 types of muscle tissue | skeletal, smooth, and cardiac |
| skeletal muscle | attached to bone also called striated msucle because of appearence |
| moves skeleton, maintain posture and stabilize joints | |
| smooth muscle | found in the walls of the viscera such as stomach, intestines and bladder |
| also found in bronchioles and blood vessels; function related to organ | |
| cardiac muscle | found only in heart; function to pump blood |
| tissue repair | regeneration and fibrosis |
| regeneration | occures only in tissues whose cells undergo mitosis such as the skin |
| figrosis | replacment of injured tissue by the formation of fibrous connective tissue; scar tissue |
| keloids | excessive fibrosis |
| membranes | thin sheets of tissue that cover surfaces, line body cavities and surround organs |
| 2 classification | epithelial and connective |
| epithelial membranes | cutanious membranes (skin), mucous membranes and serous membranes |
| cutanious membranes | the skin, outer layer of skin (epidermis), underlying layer (dermis) |
| mucous membranes | line all body cavities open to exterior of the body; absorption and secretion |
| serous membranes | line the ventral body cavities, not open to the exterior of the body |
| parietal layer | lines the walls of the cavity |
| visceral layer | covers the outside of the organ |
| pleura | found in the thoracic cavity |
| pleura cavity | space between pleura layers |
| pericardium | found in the thoracic cavity and partially surrounds the heart |
| pericardial cavity | space between the pericardial membranes |
| peritoneum | found within the abdominal cavity |
| carcinomas | malignant tumor involving epithelial tissue |
| sarcoma | involves connective tissue |
| adhesions | abnormal joing of tissues by fibrous scar tissue; may bind or constict organs |
| cancer | abnormal growth that can affect all types of tissues and membranes; named by tissue type |
| collagen diseases | collagen can be destroyed causing damage to the connective tissue; rheumatoid arthritis;lupus; scleroderma |
| gangrene | death, necrosis of sofet tissue of the body such as toes fingers, intestines; arteries become clogged with fat and impede blood |
| neoplasm | tumor, malignant or benign |
Created by:
janmaire
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