Body structure components Flashcards
chromatin meaning
component of the nucleus, nucleic acids, and proteins
chromosome meaning
structure in nucleus with DNA that carries hereditary info with genes
deoxynucleic acid
molecule that holds genes that makes copies when a cell divides
metabolism meaning
the physical and chemical changes in a cell
organelle meaning
structure in a cell that has a specific function
what are the 2 main body cavities?
dorsal and ventral
the Dorsal cavity is divided into what 2 cavities?
cranial and spinal
the ventral cavity is divided into what 2 cavities?
the thoracic and abdomopelvic
the cranial cavity has what 2 main components?
skull and the brain
the spinal cavity has what 2 main components?
the backbone and spinal cord
the thoracic cavity has what 2 main components?
lungs and heart
the abdomopelvic cavity has what main components?
liver, stomach, intestines, and kidneys
what are the 4 quadrants called?
what is included in each quadrant?
right upper quadrant- right lobe of liver, gallbladder, pancreas, and small&large intestines
left upper quadrant- left lobe of liver, stomach, spleen, pancreas, and small&large intestines
right lower quadrant- small&large intestines, appendix, right ovary, right fallopian tube, and right ureter
left lower quadrant- small&large intestine, left ovary, left fallopian tube, left ureter
what are the 9 abdomopelvic regions?
right and left hypochondriac regions
epigastric region
hypogastric region
umbilical region
right and left inguinal regions
right and left lumbar regions
where are the hypochondriac regions located?
upper R/L lateral, beneath the ribs
where are the inguinal regions located?
lower R/L laterals
where is the umbilical region located?
near navel
where are the lumbar regions located?
mid R/L laterals
where is is the epigastric region located?
wheres the hypogastric region located?
upper middle
lower middle
what are the divisions of the spine?
cervical, thoracic, lumbar, sacral, coccyx
(Can This Little Servant Cook?)
cytoplasm meaning
within a cell made of proteins, salts, H2O, gases and nutrients
4 types of tissues and functions
epithelial- covers organs and lines cavities, covers epidermis of skin
connective-supports body tissues
muscle- contractile tissue for movement
nervous- sends electric impulses and relays info
levels of organization in the body
cells, tissues, organs, organ systems, and organism
