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INTRO to anatomy
Question | Answer |
---|---|
Word parts that come at the beginning of words are called | prefixes |
word parts that come at the end of a word are called | suffixes |
the core/fundamental meaning of the word is called what? | word root |
what is a combining form? | when a vowel is added to a root word |
when do you use the combining form? | when adding a suffix |
from which direction are medical terms broken down? | right to left |
what is anatomical position? | posture used as reference when describing body parts in relation to each other |
what is a transverse plane? | across the body, divides into top and bottom |
what is a sagittal plane? | median or middle, divides into left and right |
what is a coronal or frontal plane? | divides body into front and back |
what cavity is within the thoracic cavity? | mediastinum |
what structure divides the thoracic cavity from the abdominopelvic cavity? | diaphragm |
what space is located within the thoracic cavity that lies between the lungs and contains the heart, trachea, esophagus and great vessels | mediastinum |
what division is the stomach located in? the bladder? | epigastric and hypogastric |
what are the vertebral regions in order with how many vertebrae? | cervial 7, thoracic 12, lumbar 5, sacral 5, coccyx 1 |
what are the four major elements the body is composed of? | carbon, hydrogen, nitrogen, oxygen |
organize the body into the correct order of parts | atoms/molecules - cells - tissue - organs - systems - organism |
the fundamental basic structural unit of the body | the cell |
cell membrane | skin of cell, outer covering |
cytoplasm | jelly like fluid inside the cell, holds nutrients and waste and organelles |
nucleus | brain of the cell contains chromosomes |
how many chromosomes in a cell? | 23 pairs, 46 total |
karyotyping | genetic testing checks for genetic defects |
nucleolus | small ball of protein in nucleus that produces proteins |
mitrochondria | power plants of cell that produce energy and make ATP |
endoplasmic reticulum | network of tubes and vessicles that transport proteins |
what are the 4 types of tissues in the body | connective, epithelial, muscle, nervous |
what is the function of epithelial tissue | to protect and lubricate |
mucous membranes secrete what to protect and lubriacte | mucus |
what are the four types of epithelial tissue | mucous membranes, serous membranes, cutaneous membranes, glands |
what systems have organs that are lined with mucous membranes? | respiratory, digestive, urinary, reproductive |
what tissues line organs that are in contact with the external world? | mucous membranes |
what is the INNER layer of serous membranes called lays closest to the organs | visceral layer |
what is the OUTER layer called that lines the body cavity | parietal |
name the three serous membranes and location | pericardium - heart, pleura - lungs, peritoneum - abdomen |
what is the main purpose of connective tissue? | to join, connect and support |
name the types of connective tissue | loose/areolar, adipose, dense fibrous, elastic, cartilage, bone, blood |
name the three types of muscle tissue | skeletal, cardiac, smooth |
the central nervous system is composed of what two things? | brain and spinal cord |
what is homeostasis | bodys tendency to maintain a steady state or constant environment |
what is a nutrient | any useful substance, carbs proteins fats vitamins minerals |
what is energy | the ability to work |
what is metabolism | sum of all chemical reactions |
what is anabolism | building up simple substances to make new ones |
catabolism | breaking down complex substances into simple ones |
osmosis | when water moves from greater concentration to lesser concentration |
diffusion | when particles move from greater concentration to lesser concentration |
function of systems - Gastrointestinal | bring in food (ingest), digest food, excrete food |
function of systems - Musculoskeletal | provide heat, movement, (muscles) provide structure, make blood (skeletal) |
function of systems - integumentary | protective |