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Respiratory System (function) Supply the blood with oxygen in order for the blood to deliver oxygen to all the parts of the body. Respiratory System system responsible for taking in oxygen and releasing carbon dioxide using the lungs. Conducting Zone Part of the Respiratory System that consists of the Nose, pharynx, larynx, trachea, bronchi, and bronchioles. Respiratory Zone Part of the Respiratory System that is found deep inside the lungs and is made of the Respiratory bronchioles, alveolar ducts, and alveoli. Digestive System The system that makes food absorbable into the body. Digestive Function The digestive system breaks down food, absorbs nutrients, and eliminates wastes. Esophagus A muscular tube that connects the mouth to the stomach. Stomach A J-shaped, muscular pouch located in the abdomen. Small intestine The part of the digestive system in which most chemical digestion takes place. Large intestine The last section of the digestive system, where water is absorbed from food and the remaining material is eliminated from the body, Also known as colon. Gall Bladder Stores bile produced by the liver until it is needed in the duodenum. Liver Major organ that makes bile to break down fats. Pancreas Gland that secretes pancreatic juice into the duodenum, where it mixes with bile to digest food. Digestive Tract Group of organs that forms a long, twisting tube (intestines) extending from the mouth to the anus through which food is ingested, digested, and expelled. Cardiovascular Of or pertaining to or involving the heart and blood vessels. Heart The hollow muscular organ located behind the sternum and between the lungs. Myocardium The strongest of the three layers of the heart. Epicardium Outermost layer of the heart. Endocardium Inner layer of the heart. Arteries Carries blood away from the heart. Valve A flap of tissue that prevents blood from flowing backwards. Veins Carry blood towards the heart. Electrocardiogram A graphical representation of the electrical signals within the heart. Blood Vessels Hollow tubes that transport blood through the body. Reproductive System system purposed for reproduction Fertilization when sperm and egg cells meet Vagina canal that joins to outside of body (birth canal) Uterus hollow, pear shaped organ that divides into two parts (cervix and corpus, [main body of uterus]) Ovaries small, oval shaped glands (located on either side of uterus) Fallopian Tubes narrow tubes that are attached to upper part of uterus (tunnel for eggs) Urethra canal that carries the urine from bladder to outside of body and vagina Clitoris small, sensory organ Penis male sexual organ for intercourse, contains three parts(root, body[shaft], and glans) Scrotum loose pouch, sac of skin that hangs behind penis that contains testicles Testicles (testes) oval organs that lie in the scrotum, responsible for making testosterone and generating sperm Vas Deferens long muscular tube that transports mature sperm to urethra in prep for ejaculation Prostate Gland walnut size structure (located below urinary bladder) , helps nourish sperm Seminal Vesicles sac like pouches, produce sugar rich fluid (fructose) that attach to vas deferens Urinary System Consists of a pair of glandular kidneys, which remove substances from the blood, form urine, and help regulate certain metabolic processes. Renal Medulla The inner portion of kidney, composed of conical masses tissues called renal pyramids, the bases of which are directed toward the convex surfaces of the kidney and the apexes of which form renal papillae. Renal Cortex The outer portion of a kidney.(forms a shell around the medulla) It's tissue drips into the medulla between the renal pyramids, forming renal columns. Nervous System the system of cells, tissues, and organs that regulates the body's responses to internal and external stimuli. Central Nervous System Brain and Spinal Cord Peripheral Nervous System Sensory Neurons, Motor Neurons, Sense organs, and Receptors Skin A protective covering that prevents many harmful substances from entering the body. Melanin Provides skin color, and absorbs ultraviolet radiation in sunlight. Keratinization Strands of tough, fibrous, waterproof keratin proteins that are synthesized and stored within cells. Blood Life giving fluid of the body that is made up of plasma, rbc's, wbc's, and platelets. rectum regulates elimination of feces.