| Question |
Answer |
| atom |
smallest units of an element that still retains the chemical and physical properties of that element |
| nucleus |
overall positive charge |
| protons |
electrically positive charge |
| neutrons |
neutral or no charge |
| molecule |
multiple atoms that are bonded together |
| cell |
basic structural and functional units of an organism |
| tissues |
are groups of cells and the materials surrounding them to work together to perform a certain function |
| organ |
are structures that are composed of two or more tissues ; they have specific function and shape |
| system |
consists of related organs with a common function |
| organism |
any living individual |
| four types of tissue |
epithelial tissue,connective tissue,muscular tissue, and nervous tissue |
| homeostatis |
regulates body fluids |
| body fluids |
dilute, watery fluids containing dissolved chemicals inside and outside of the cell |
| intracellular fluid |
watery fluid inside of cells |
| extracellular fluid |
outside of cells |
| interstitial fluid |
most abundant fluid |
| blood plasma |
watery portion of blood |
| synovial fluid |
found inside all movable joints |
| lymph |
special fluid inside lymph vessels |
| aqueous and vitreous humors |
maintain eyebal shape |
| cerebrospinal fluid |
brain and spinal cord |
| stressors |
stimuli that disrupt homeostatis |
| external stressors |
outside- body temp. smells,and skin contact |
| internal stressors |
inside- low glucose, poison, psychological |
| feed |
(blank) |
mr. charles11
