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Study week 1-6

Physiology week 7

______ a signal is traveling toward a particular center or point of reference. Afferent
What is the signal moving away from a center or other point of reference? Efferent
The “thermostat” in a part of the brain is called what? Hypothalamus
Lipids Water-insoluble organic bio-molecules. Ordinarily do not dissolve in water.
It is the maintenance of relatively constant internal conditions despite changes in either the internal or the external environment. Homeostasis
Hydrophilic A particle or substance that is attracted to water.
Hydrophobic A particle or substance that is not attracted to (or is repelled by) water.
The behavior of a solution that has a higher osmotic pressure than a cell, causing water to leave the cell by osmosis. Hypertonic
Chemical reactions that break down larger food molecules into smaller chemical units and, in so doing, often release energy. Catabolism
Enzyme Biochemical catalyst that allows chemical reactions to take place; functional proteins that regulate various metabolic pathways of the body.
Collagen Principal organic constituent of connective tissue.
What is subdivided into at least four phases: prophase, metaphase, anaphase, and telophase. Mitosis
Membrane Thin, sheetlike structure
What Leg bone is lateral to the tibia? Fibula
What is the knee cap called? Patella
Osteoporosis Bone disorder characterized by loss of minerals and collagen from bone matrix, reducing the volume and strength of skeletal bone.
The connective tissue type that has the consistency of a firm plastic or gristle-like gel. Cartilage
Abduction Moving away from the midline of the body; opposite motion of adduction.
Actin Contractile protein found in the thin myofilaments of skeletal muscle; see sliding filament model.
Movement that turns the sole of the foot inward, toward the median. Inversion
Chondrocyte cartilage cell
The central line around which a body, organ, or cell is organized. An alternate name for the second cervical vertebra (C2) Axis
Created by: Aatilano78
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