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Neurons, Cocaine, and Shingles

... a) reduces the refractory period of neurons b) remains in the synapse longer than normal c) increases the speed of nerve impulse transmission d) diffuses rapidly throughout the pleasure centres of the brain 2. A hot foot results when a match is inserted in the side of a shoe and it lit. Very ...

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by homeworkdisaster
Sun Jun 10, 2012 8:11 pm
Forum: Human Biology
Topic: Neurons, Cocaine, and Shingles
Replies: 4
Views: 4353


... enters the lungs to be expelled. The movement of CO2 AND O2 across moiste respiratory surfaces takes place entirely by diffusion. A gas always diffuses from an area of high partial pressure to an area of lower partial pressure. Am I on the right track or does that seem too vague? For fish I ...

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by killian07
Mon Dec 12, 2011 4:23 am
Forum: General Discussion
Topic: Diffusion
Replies: 2
Views: 3546

Re: Urine formation

... of pores of the walls of the duct. Then, as the fluid in the collecting duct passes through the hyperosmotic region of the kidney medulla, water diffuses through the pores into the surounding interstitial fluid and is carried away by the blood circulation. The urine looses water and become more ...

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by chikis
Mon Nov 14, 2011 12:35 pm
Forum: Physiology
Topic: Urine formation
Replies: 7
Views: 6874

Cell Fusion experiment

... A - I cannot imagine, why it shouldn't be compatible (yet I'm not expert in membranes;) B - the human body has also less then 150°C and yet it diffuses C - no idea, what that means, but you say it's wrong D - no reason to be divided exactly as it was before E - shouldn't be (fluid mosaic model, ...

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by JackBean
Thu May 19, 2011 6:04 am
Forum: Cell Biology
Topic: Cell Fusion experiment
Replies: 5
Views: 4976

Effects on the urinary system of drinking too much beer

... holding their breath. If breath is held long enough to cause fainting, breathing resumes when consciousness is lost. - CO2 lipid soluble, easily diffuses into cells where in the presence of carbonic anhydrase it combines with water and H20 - Increase in C02 in the blood cause an increase in H+ ...

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by Ice84
Wed Nov 03, 2010 3:50 pm
Forum: Physiology
Topic: Effects on the urinary system of drinking too much beer
Replies: 1
Views: 5307
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