UB BIO 129 - Barriers in the Body, Breathing, and the Skin (3 pages)

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Barriers in the Body, Breathing, and the Skin



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Barriers in the Body, Breathing, and the Skin

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Control of breathing, airways, the skin, digestive system, the liver, and the kidney,


Lecture number:
9
Pages:
3
Type:
Lecture Note
School:
University at Buffalo, The State University of New York
Course:
Bio 129 - Perspectives in Human Bio

Unformatted text preview:

BIO 129 1st Edition Lecture 9 Outline of Last Lecture I The Cell A Different types of cells II Energy B Cell types and their use of energy III Cell reproduction and division IV Protein synthesis and degradation V The cell membrane VI Signals and receptors Outline of Current Lecture I Barriers in the body II The lungs A Gas exchange B Breathing III Diffusion IV The Skin A Many functions B Heat exchange V Digestive System VI Functions of the Liver and Kidneys VII The Liver Current Lecture These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute I II III IV V VI VII Barriers in the body A Constant replacement B Damage repair C Immune protection The Lungs A When skeletal muscles expand the chest air is sucked into the lungs B The lungs bring in oxygen O2 and remove carbon dioxide CO2 Diffusion A Mother nature s chaos rule B Everything goes from a high concentration o a low concentration C Ex Air high concentration of oxygen and a low concentration of carbon D Gasses dissolve in water Breathing A The brain must tell you to breathe every time B Brain controls how often the chest expands C Info In H concentration also acute stress override D Info Out motor nerves to diaphragm and intercostal muscles E Autonomic nervous system part of brain that controls opening and closing of airways and flow of blood to the lungs F Parasympathetic closes airways calm times G Sympathetic opens airways increases blood flow acute stress Skin A Largest organ of the body B More skin cells than any other cells C Constant replacement every 4 days D Maintains body temp E Heat exchange and water conservation F We feel cold on a cold day because there is no hot blood flow to the brain Digestive System A Lipids digested in Small Intestine B Proteins are broken down into amino acids C Absorption taking the little molecules and ions into the body D Immune protection in the intestines E Stomach major



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