| A | B |
|---|
| Tissue | a group of cells that act together to perform a function |
| Levels of organization | cell-tissue-organ-system |
| Cutaneous membrane | skin |
| Serous membrane | pleura |
| Connective tissue membrane | synovial membrane |
| Quadrants | regions used by professionals to divide the abdomen into 4 |
| Sagittal plane | lengthwise plane running from front to back that divides the body into right and left |
| Physiology | study of the functions of living organisms and their part |
| Anatomy | study of the parts of the body in relationship to the other parts of the body |
| Lysosomes | "digestive" bags of the cell |
| Ribosomes | "protein factories" |
| Smooth Endoplasmic Retinculum | responsible for making new membranes |
| Rough Endoplasmic Retinculum | organelle with attached ribosomes responsible for transporting proteins throughout the cell |
| Golgi apparatus | tiny flattened sacs that help process and package chemicals |
| Cilia | extremely fine hair-like structures that extend from the surface of the cell |
| Negative feedback loop | change that reverses the body's condition |
| Positive feedback loop | change that amplifies or makes greater |
| Diffusion | process by which substances scatter themseves evenly throughout an available space from a higher concentration to a lower concentration |
| Osmosis | movement of water from a higher concentration to a lower concentration through a selectively permeable membrane |
| Filtration | movement of water and solutes through a membrance because of a hydrostatic pressure difference |
| Homeostasis | body's ability to respond continuously to the changes in the environemtn and maintain consistency |
| Melanocytes | cells that give color to the skin |
| Keratinocytes | cells that waterproof the skin's surface |
| Hair papilla | hair growth begins froma small cup-shaped cluster of cells deep in the follicle |
| Subcutaneous layer | layer below the dermis that contains fat and blood vessels |
| follicles | pouches that hold the cells of the hair |
| arrector pili muscle | tiny muscles near hair that when contracting pull the hair upright causing goose bumps |
| Eccrine gland | active throughout life, no smell produced |
| Apocrine gland | active during puberty, produces a smell |
| Handwashing | the most effective action to prevent the spread of disease |
