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Biology
Exam Review
| Question | Answer |
|---|---|
| homeostasis | relative uniformity of the normal body's internal environment |
| physiology | study of the normal functions of living organisms and their parts. |
| diaphragm | separates the thorax and abdomen; major respiratory muscle |
| describe the organization of organisms from cells to organ systems | cells, tissues, organs, system, whole body |
| anatomical position | standing straight w/arms down, palms forward, head and feet forward, body is erect |
| axial | head, neck, torso & trunk of body |
| appendicular | refers to the upper and lower extremities of the body |
| cutaneous tissue refers to | skin |
| anatomy | the study of the structure of an organism and the relationship to its parts |
| superficial | near the surface |
| deep | father away from surface |
| lungs location | thoracic cavity/plueral |
| anterior | front; or ventral |
| posterior | back; behind |
| lysosome | suicide bags; digestive system; eat microbes |
| mitochondria | "power house"; makes energy |
| ribosomes | protein factory shown as blackdots/E.R. |
| stages of mitosis | prophase, metaphase, anaphase, telophase |
| smooth | nonstriated, involuntary, tube shaped organs |
| cardiac | striated, involuntary, muscle tissue of heart |
| skeletal | striated, voluntary - red meat |
| osmosis | movement of a fluid through a semipermeable membrane |
| pinocytosis | cells "drink" liquid by trapping in a pouch |
| phagocytosis | white blood cells "eat" bacteria |
| active trans | moving E (ATP) low to high |
| passive trans | moving things in or out without energy |
| reproductive | ovaries, testes |
| respiratory | esophagus, lungs |
| digestive | spleen |
| circulatory | heart |
| skeletal | spinal cord |
| minerals stored in skeletal system | phosphorox and calcium |
| virus | microscopic parasite |
| feces | waste material discharged from the intestines |
| urine | fluid waste excreted by the kidneys |
| 3 functions of the muscular system | movement, support & posture |
| tendon | bands or cords of dense fibrose connective tissue attaches muscle to bone |
| which 2 systems include communication, intergration and control | endocrine & nervous |
| parasite | any organism that lives in or on another organism |
| communicable disease | disease able to spread from one individual to another |
| vector | carries an infectious pathogen from one organism to another |
| vaccine | the use of killed or weakened virus to promote immunity |
| metastasis | when a tumor spreads to a new location |
| cachexia | syndrome associated with cancer and other chronic diseases. lose weight, appetite, energy |
| bacteria | tiny, one cell organisms |
| fungi | multi cellular, usually mold |
| benign | non cancerous tumor/doesn't spread |
| malignant | cancerous tumor/spreads |
| visceral | covers organs inside body cavity like saran wrap |
| parietal | lines walls of body cavity like wall paper |
| 1st degree burns | no blisters, only epidermis is involved, slightly red |
| 2nd degree burns | blisters, injures entire epidermis and top of dermis |
| 3rd degree burns | full thickness burn, complete destruction of epidermis and dermis, sub, bone |
| 3 functions of skin | protection, temperature regulation and sense org. activity |
| melanin | brown pigment made from melanocytes |
| sebaceous | oil glands, lubes hair and skin, natures skin creme |
| sudoriferous | sweat glands, 2 groups |
| mucous membrane | lining of body surface that opens to exterior, produces mucous, thick secretion |
| ABCD for finding healthy mole | A - assymetry; B - border; C - color; D - Diameter |
| endocrine ossification | process of bone formation from cartilage |
| atrophy | decrease in size of a part of muscle/ muscle weakens |
| origin | bone that the muscle attached to that remains stationary |
| insertion | point of attachment to the bone does move |
| explain oxygen debt | refers to an increase in metabolism to remove lactic acid |
| tetanic | sustained steady muscle contraction due to bombardment |
| isotonic | contraction prod. movement in joints |
| 3 primary functions of the muscular system | movement; posture; produce body heat |
| threshhold stimuls | minimal level of stimulation required for muscle contraction |
| motor | conduct impulses away from brain to muscled and glands |
| sensory | send impulses from a/parts of the body to spinal cord |
| interneurons | send impulses between sensory and motor neurons |
| results of sympathetic response | adrenaline will increase; blood vessels get bigger; heart rate increases |
| axon | transmits impulse away from cell body/big arm |
| neurotransmitters | chemicals by which transmits and communicates. "acetolcholine" |
| neuroma | tumor involves neurons |
| glioma | tumor involves glial cells |
| osteoblast | building bone cells |
| osteoclast | destroying bone cells |
| bones form from what type of tissue | cartilage |
| spongy bone | porous bone in the end of a long bone |
| is the humerous a long bone? | yes |
| hemopolesis | blood cell formation |
| diarthroses | freely movable joint |
| synarthroses | fibrous conn. tissue hold together tightly |
| medullary cavity | hollow area inside the diaphysis of the bone |
| endosteum | lines the medullary cavity |
| periosteum | lines the bone |
| rotation | movement around a longitute axis |
| pronation | rotating forearm to a palm down position |
| extention | straightening two bones to increase the angle |
| abduction | moving away from the body |
| adduction | moving closer to the body |
| most common disorder of the central nervous system | multiple sclerosis |
| synapse | junction between adjacent neurons |
| basal ganglia | nuclei in the brain interconnected with the cerebral cortex, thalamus and brainstem |
| ADH | anti diuretic hormone |
| medulla oblongata | lowest part of brain stem |
| gyrie | ridges - highest |
| sulci | groves - lowest |
| epilepsy | reoccuring seizures |
| sciatica | inflammation of the sciatic nerve |
| ciliary muscle | muscle which is part of the choroid layer around iris |
| gustatory sense organs | the chemoreceptors in taste buds |
| conjunctivitis | inflammation of mucous membrane of the eye |
| myopia | nearsightedness disease |
| presbyopia | vision loss due to old age; lens can no longer change shape to focus |
| otitis media | middle ear infection |
| organs of corti | organs of hearing |
| 3 anatomical areas of the ear | exterior "outside"; middle; inner |
| sclera | hard outer covering, white of the eye |
| choroid | middle layer, contains iris and ciliary |
| retina | inner most layer, contains photoreceptors, rods, cones |
| amoeba | a microscopic single-celled animal which is able to change shape |