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Kara De Leon

Physiology weeks 1-6

TermDefinition
Feedback loops negative ex: low/high blood pressure Positive ex: birth
components of control systems Sensor mechanism, integrator or control center, effector mechanism, feedback
afferent toward
efferent away
effector organs(muscle/gland) that directly influence controlled physiological variables
Levels of Homeostatic control Intracellular, intrinsic, extrinsic
Macromolecules that are essential to human life carbs- main, lipids - used when carbs not available, proteins, nucleic acids
DNA double polynucleotide strand, sugar - deoxyribose, base pairing A-T, G - C
RNA single or double(short) polynucleotide, sugar - Ribose, Base pairing A - U, G - C
ATP "energy currency of Cells"
Pinocytosis cellular drinking
Phagocytosis cellular eating
Mitosis 1. Prophase 2. metaphase 3 anaphase 4 telophase
hydrophilic water loving
hydrophobic water hating
osmosis high concentration to low concentration
diffusion simple or facilitated
active transport needs ATP to move molecules against conc. gradient
ectoderm skin cells, neurons, pigment cells
mesoderm cardiac, skeletal muscle, tubule cell of kidney, red blood cells, smooth muscle
endoderm lining of airways + digestive lung cells, thyroid cells, pancreatic cells
function of bone marrow Homeostasis - blood cell production, energy storage in long bones, Regulation - erythropoietin, thrombopoietin
3 generalized functions of the skeletal system Movement, heat production, Posture
Created by: karad4174
 

 



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