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Anatomy 6-12

QuestionAnswer
Mastication Chewing
3 Parts of Pharynx Empty place behind tongue (& sinuses): (Top --> Bottom) Nasopharynx (behind the nasal passage) Oropharynx (Behind mouth) Laryngopharynx (by the larynx)
Endocrine System Organ system involved in the coordination of body activities; uses hormones as chemical signals secreted into the blood stream
What is the function of the endocrine system? Integrates body systems (homeostasis) by using chemical messengers (hormones) communication.
4 components of blood - red blood cells - white blood cells - platelets - plasma
Layers of the heart Fibrous Parietal Epicardium Myocardium Endocardium
What is the general organization of nervous tissue in the CNS? Gray Matter- cell bodies, dendrites White Matter- axons, most myelinated (gives white color). Glial cells present in both
What are the 3 functions of the spinal cord? 1. Involved in sensory/motor innervation of entire body inferior to head with spinal nerves. 2. Provides two-conduction pathway for signals between body and brain. 3. Major reflex center
How many pairs of spinal nerves are there, and in which regions? 31 pairs: 8 Cervical 12 Thoracic 5 Lumbar 5 Sacral 1 Coccygeal
Peripheral nervous system - consists of cranial and spinal nerves - connects CNS to muscles, glands, & all sensory receptors
Autonomic nervous systems - sensory neurons from visceral organs to CNS - motor neurons to smooth and cardiac muscle and glands * sympathetic division (speeds up heart rate) - makes pupils larger * parasympathetic division (slow down heart rate) - makes pupils smaller
What are the 4 phases of processing food in your body? Ingestion, digestion, absorption and elimination
What are the major organs of the digestive tract? Mouth, esophagus, stomach, small intestine, large intestine, rectum and anus
What is the primary function of the digestive system? To break down and absorb nutrients, salts, and water, as well as to eliminate some wastes.
Created by: josrholliday
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