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7.1 and 7.2
HALIE BOBO ---> organelles of the cell, body planes, directions, and cavities
| Question | Answer |
|---|---|
| protoplasm | basic substance of all life |
| cell | basic unit of structure and function of all living things |
| cell membrane | outter protective covering of the cell |
| cytoplasm | a semi-fluid inside the cell |
| organelles | cell structures that help a cell to function |
| nucleus | controls the cells activity and helps in cell division... also called the brain |
| nucleolus | inside the nucleus, improtant in cell reproduction. ribosomes are manufactured here |
| chromatin | in the nucleus, cell reproduction |
| centrosome | near the nucleus, aids in cell division |
| mitochondria | powerhouse of the cell... atp is made here |
| golgi apparatus | produces, stores, and packages secretions |
| endoplasmic reticulum | transports materials in and out of the nucleus and aids in the synthesis and storage of proteins |
| lysosomes | contains digestive enzymes that digest and destroy old cells, bacteria, and forgein materials |
| pinocytic vesicles | pocketlike folds in the cell membrane... allows large molecules such as proteins and fats to enter the cell |
| mitosis | a form of asexual reproduction.. 2 identical cells |
| meiosis | uses two separate cell divisions to produce 4 new cells |
| tissue | cells of the same type join together for a common purpose |
| dehydration | insufficient amount of tissue fluid |
| edema | swelling of tissues |
| epithelial tissue | covers the surface of the body and is the main tissue in the skin |
| connective tissue | the supporting fabric of organs and other body parts |
| nerve tissue | made up of special cells called neurons... it controls and coordinates body activities by transmitting messages throughout the body |
| muscle tissue | produces power and movement by contraction of muscle fibers |
| organ | two or more tissues joined together to perform a specific function |
| transverse plane | a horizontal plane that divides the body into a top half and a bottom half |
| inferior | body parts below other parts |
| superior | body parts above other parts |
| cranial | body parts located near the head |
| caudal | body parts located near the scral region of the spinal column |
| midsagittal or median | divides the body into left and right sides |
| medial | body parts close to the midline |
| lateral | body parts away from the midline |
| frontal or coronal | divides the body into a front and back section |
| ventral | front of the body |
| dorsal | back of the body |
| proximal | body parts close to the point of reference |
| distal | body parts distant from the point of reference |
| body cavities | spaces within the body that contain vital organs |
| dorsal cavity | one long continuous cavity located on the back of the body |
| cranial cavity | contains the brain |
| spinal cavity | contains the spinal cord |
| thoracic cavity | contains the esophagus, trachea, bronchi, lungs, heart, and large blood vessels |
| abdominal cavity | upper contains stomach, small intestine, most of the large intestine, appendix, liver, gallbladder, pancreas, and spleenlower (pelvic) contains urinary bladder, reproductive organs, and last part of the large intestine |
| orbital cavity | eyes |
| nasal cavity | nose |
| buccal cavity | mouth (teeth and tongue) |
| abdominal cavities | 4 quadrants; RUQ, LUQ, RLQ, LLQ9 regions; r&l hypochondriac, epigastric, umbilical, r&l lumbar, r&l iliac, hypogastric |
Created by:
haliebobo
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