the first step in transferring nutrients in food to the cells of the body (chemical and mechanical)
after nutrients are broken down, they pass into the bloodstream and are taken to the body's cells for metabolism (chemical) and growth (mechanical)
the process of digestion (7 stations)
7. large intestine
where the mechanical process starts. Saliva and enzymes help carry out chemical reactions. Teeth and tongue (assists in swallowing). Epiglottis- fold of skin covering the trachea.
muscular tube that connects mouth to stomach.
wavelike muscular action that pushes food through digestive system
sac-like muscle that stores food. Muscles churn food and mix with gastric juices into thick white liquid called chime
long coiled tube, one inch in diameter, 20 feet in length. Absorbs complex nutrients and breaks them down into simple sugars, amino acids, and simple forms of fat.
filters poison from the body and produces a digestive juice called bile
produces hormones and digestive enzymes to break down fat and proteins
tube-like organ 2.5 inches in diameter, 5 feet in length. Absorbs water and gets rid of solid waste body can't digest.
disorders of the digestive system
indigestion, diarrhea, constipation, food poisoning, ulcers, hemorrhoids, appendicitis, crones disease
aids the digestion of fats, is stored in the gull bladder, which is a sac attached to the liver, from which it flows into the small intestine.
Sac attached to the liver that stores bile.