KIN 3515 Chapter : KIN 3515 First Day
15 Mar 2019
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Basic functional unit is really a muscle unit and all cells it activates. Body works on gustaff principle, tries to save some for later . Change the electrical charge and you get reaction. Must have breaks called synapses in between nerves to create actions. Chemicals called neurotrasmitters are switches drugs are mimicking neurotransmitters body makes opious called endorphins. 10^-12 grams of a neurotransmitters out of 1000 cow brains. Electrical signals are signaling to cause a release and signals the next one. Nerves and muscles start out at a negative charge. 70millivoults is what is said to start out atbut this was discovered by giant squids but might not be true for everyone. Can hit on axon in a human in a human with a very very very small needle and will be close to this. Caused by switching two ions: sodium, potassium. To make positive, let the sodium come in.
