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Spinal cord

Module 4 part 3

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Psychology
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Neuroscience
Nervous system
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Nerve
Parasympathetic nervous system
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Doreen Pang Mrs. Trainor AP Psychology 10 October 2016 Module 4-3: How Neurons Communicate: The Neural Chain Specialized cells in the sensory systems of the body Can turn some energy --> action potentials Neural impulses Our brain only uses neural energy to communicate specialised cells that translate outer energy into neural impulse Receptor cells in the eye turn light into a neural impulse the brain understands. Sensory (Afferent) Nerve Carry info. from the sensory receptors to: spinal cord brain A network of cells that take thermal energy and translate into neural impulse Connect the sense organs to the brain and spinal cord. Interneurons Nerve cells in the brain and spinal cord responsible for processing information. Related to sensory input and motor output.

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Biology Chapter 46 Homework Xitlali Sedano P.3 4/12/12 Biology Muscle Tissue Is composed of cells that contract Every function that muscle tissue performs- from creating a facial expression to keeping the eye in focus- is carried out by groups of muscle cells that contract in a coordinate fashion There are three types of muscle tissues Skeletal Muscle Moves the bones in your trunk, limbs and face Smooth Muscle Handles body functions that you cannot control consciously such as the movement of food through your digestive system Cardiac Muscle Is found in your heart It pumps blood through your muscles Nervous Tissues Contains cells that receive and transmit messages in the form of electrical impulses Makes up the human brain, spinal cord and nerves

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Anatomy
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Major Structures of the Brain Structure Description Major Functions Brainstem Stemlike portion of the brain, continuous with diencephalon above and spinal cord below. Composed of midbrain, pons, medulla oblangata. Relays messages between spinal cord and brain, from brainstem cranial nerves to cerebrum. Helps control heart rate, breathing rate, blood pressure. Involved with hearing, taste, other senses. Cerebellum Second largest part of the brain. Located behind pons, in posterior section of cranial cavity. Composed of cerebral cortex, two lateral lobes, central flocculonodular lobes, medial vermis, some deep nuclei. Process center involved with coordination of muscular movements, balance, precision, timing, body positions.
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