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49 Cards in this Set
- Front
- Back
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Pinnae
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long flexible fold of the ear, cartilage covered with skin, rotates to catch slightest sound from any direction
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External Nares
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pair of openings near the tip of the snout, air enters respiratory system through these
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Mammary Papillae
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provides nourishment to young rat pups (rat nipples)
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Scrotum (male)
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sac that holds the testis
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Thymus
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helps develop immune system, lies directly over upper part of heart
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Pancreas
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brown, flattened gland that produces digestive enzymes, also secretes insulin to regulate glucose metabolism
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Hard Plate
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the bony roof of the mouth that separates air from food
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Soft Plate
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closes nasal passage during swallowing, found in anterior of the mouth
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Epiglottis
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formed by elastic cartilage, major structure of larynx, closes off the larynx (glottis) when we swallow,
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Papillae
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finger-like extensions of the tongue epithelium that contain the taste buds (allows rat to taste food)
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Tongue
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swallow response, food moves from the mouth into the pharynx and on into the esophagus (under trachea)
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Incisors
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front teeth, designed for gnawing, open rooted to continue growth, don't wear away
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Esophagus
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moves food from the mouth to the stomach, easiest to locate where it enters the stomach
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Liver
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dark colored organ under the diaphragm; produces bile, which aids in digesting fat
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Gallbladder
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fat digestion
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Stomach
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food storage, physical breakdown of food, digestion of proteins
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Pancreas
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brown, flattened gland that produces digestive enzymes, also secretes insulin to regulate glucose metabolism
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Small Intestine
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slender, coiled tube that receives partially digested food from the stomach
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Large Intestine (colon)
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water absorption and where the final stages of digestion occur
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Rectum
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short, terminal section of the colon that leads to the anus, temporarily stores crap
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Spleen
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helps the immune system, destroys red blood cells, filters blood
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Heart
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pumps blood throughout body
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Atria or atrium (right and left)
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Right- top chamber, receive deoxygenated blood Left- top chamber, receive oxygenated blood |
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Ventricles (right and left)
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Right- bottom chambers that pump deoxygenated blood out Left- bottom chambers that pump oxygenated blood out |
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Pulmonary Arteries
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takes deoxygenated blood from heart to lungs
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Pulmonary Veins
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a vein that brings oxygenated blood from lungs to left atrium of heart
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Where do veins carry blood?
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from the lungs to the heart
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Where do arteries carry blood?
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from the heart to the lungs
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Larynx
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organ in neck involved in breathing, sound production, and protecting trachea against food aspiration
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Trachea
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carries air to lungs, windpipe from pharynx to lungs
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Bronchi
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one of two large tubes in chest cavity that leads from trachea to the lungs
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Diaphragm
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layer of muscle that separates the thoracic from the abdominal cavity
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Kidneys
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excretes waste and regulates water balance, filters blood, produces urine
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Ureters
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drains the kidney
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Urinary bladder
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temporarily stores urine
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Urethra
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muscular tube conveys urine from bladder to the exterior male: urethra conveys semen which has sperm |
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Testes
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collects and stores sperm cells
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Vas Deferens
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moves sperm from the epididymis to the urethra
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Penis
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pushes urine and semen through the urethra and out the body
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Ovaries
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reproductive organ that produces egg cells
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Uterine Horn
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the point where the uterus and the uterine tubes meet will accommodate multiple embryos (a litter)
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Vagina
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short gray tube next to the bladder
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The Endocrine System
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Controls body functions using chemicals messengers called hormones.
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The Digestive System
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Breaks down food into smaller molecules. Absorbs these nutrients into the body.
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The Lymphatic System
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To transport fluids back to blood and act as the bodies defense and resistance to disease.
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The Circulatory System
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Transports oxygen, waste, nutrients, hormones, heat, etc... around the body
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The Respiratory System
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Brings oxygen into the body. Gets rid of carbon dioxide.
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The Urinary System
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Cleanses the blood. Rids the body of wastes. Maintains salt and water balance.
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The Reproductive System
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Produces sex cells (sperm and eggs). Produces sex hormones (testosterone, estrogen). Nurtures the unborn baby (fetus).
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