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Example of Negative Feedback
- Blood
- Temp. control
- contractions
- Teeter-Totter
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Example of Positive Feedback
- Blood COAGULATION;
- domino effect
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Atom's Bohr Diagram
Valance shell=outermost layer<---engage in chemical reaction(Most stable at 8)
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chemical bond formation/types of chemical reactions
(chemistry VS biology version)
- Ionic bond;attraction between ions of opposite charge
- Covalent bond;sharing electrons:non-polar & polar
- hydrogen bond;weak interaction,(usually an oxygen or nitrogen atom)
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Stressful situation activates
Sympathetic divison of the autonomic nervous system
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Acetycholine governs:
parasympathetic division of ANS
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Epinephrine/norepinephrine governs:
sympathetic divison of ANS
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"Emotional Brain"
Limbic System
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"Primitive Brain"
Medulla oblongata/Brainstem
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AChE inactivates
ACh, blunting it's effect on muscle cell plasma membrane.
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Muscle Sub-types and charactaristics
- Skeletal Muscle:vouluntary, striated multinucleate, terminal call type
- Smooth Muscle: invountary,non-striated,Can undergo mitosis
- Cardiac: invountary, slow dividing
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