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Brain

Topics Parts of brain x 3 Cerebrum Lobes & Functions Sulci Gyri Ventricles Cranial Nerves Notes Cerebrum, Cerebellum & Brainstem     Media Side view of head and brain. References Click here

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Microbes

Types of Microbes Types of Bacteria – Shape, Gram +/-, Aerobes/Anaerobes Types of Antibiotics Gram-negative bacteria are surrounded by a thin peptidoglycan cell wall, which itself is surrounded by an outer membrane containing lipopolysaccharide. Gram-positive bacteria lack an outer membrane but are surrounded by layers of peptidoglycan many times thicker than is found in the

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Heart

Topics Main Vessels Chambers Valves Blood Supply to heart Notes Systole occurs when the heart contracts to pump blood out, and diastole occurs when the heart relaxes after contraction. Why is LAD the most important artery? It provides about half of the arterial supply to the left ventricle and is thus considered the most important

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