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Assignment 1
Weeks 1-6
Question | Answer |
---|---|
What is homeostasis? | stability, balance, or equilibrium within a cell or the body. It is an organism’s ability to keep a constant internal environment |
Which daily cycles naturally changes some set points to different values at different times of the day? | circadian cycles |
What are effectors ? | organs that directly influence controlled physiological variables. |
What are the four major groups of organic substances in the body? | carbs, lipids, proteins, and nucleic acids and related molecules |
Monosaccharides | simple sugars, are relatively small carbohydrates |
Polysaccharides | are carbs composed of two or more simple sugars that are bonded together through dehydration synthesis reaction that involves the removal of water |
What is DNA? | is a double-helix strand of nucleotides. It is what makes a person unique |
Translation | How RNA makes proteins |
Osmosis | movement of water through a semipermeable membrane |
What are the four tissue types? | Epithelial, Connective, Muscle, and Nervous tissue |
What are the two primary layers of the skin? | Dermis and Epidermis |
What are the cell layers? | Stratum Basale, Stratum Spinosum, Stratum Granulosum, Stratum Lucidu, Stratum Corneum |
What are the five functions of bones? | Support, protection, movement, mineral storage, and hematopoiesis |
What are the different types of bones? | Compact, long, short, flat, irregular, and sesamoid |
Osteoblasts | small cells that synthesize and secrete an organic matrix called osteoid |
Osteoclasts | are giant multinucleate cells (Figure 11-8) that are re-sponsible for the active erosion of bone minerals |
Articulation | or joint is a point of contact between bones |
FIBROUS JOINTS | Syndesmoses, Sutures, and Gomphose |
General functions of muscle contractions | movement, heat protection, and posture |