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Assignment 1

Weeks 1-6

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
Created by: liljackie611



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