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digestive track card
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| Question | Answer |
|---|---|
| skeletal system | system consisting of the bones and their associated tissues that supports, protects, and provides flexibility to the body of humans and many other animals |
| periosteum | tough membrane that surrounds bone |
| haversian canals | one of a network of tubes containing blood vessels and nerves that supply blood to bones |
| bone marrow | soft tissue in the cavities of bones |
| cartilage | dense, fibrous connective tissue whose cells are scattered in a network of collagen |
| ossification | process where cartilage is replaced by bone |
| joint | place where 2 bones come together |
| ligament | strip of touch connective tissue in a joint that surrounds bones and holds them together |
| muscular system | system that provides movement to the body and is composed of tissues that contract when simulated |
| myosin | protein that makes up the thick filaments of a muscle cell |
| actin | protein that makes up the thin filaments in a muscle cell |
| tendon | tough connective tissue that joins skeletal muscle to bone |
| integumentary system | protective system formed by the skin and its accessory organs |
| epidermis | outermost layer of skin |
| digestion | breakdown of food into simple molecules that can be absorbed by the body |
| pharynx | muscular tubelike structure located at the back of the mouth that connects the mouth with the rest of the digestive tract |
| epiglottis | small flap of cartilage in the back of the mouth that closes the entrance to the respiratory tract when depressed by food |
| esophagus | tube that connects the pharynx with the stomach |
| peristalsis | rhythmic muscular contractions that move food though the digestive system |
| sphincter | a ring of muscle that closes an opening to the stomach |
| stomach | thick muscular sac where food is partially digested, located just below the diaphragm in humans |
| chyme | pasty mixture that results after food is partially digested in the stomach |
| duodenum | first part of the small intestine |
| small intestine | digestive organ where chyme from the stomach is flooded with enzymes and digestive fluids |
| pancreas | organ that is both an exocrine gland an an endocrine gland, secretes digestive fluids and the hormones insulin and glucagon |
| liver | large organ that lies above the stomach, secretes bile, and stores excess glucose in the from of glycogen |
| gall bladder | small sac in which bile is stored |
| large intestine | organ, also known as the colon, that removes water from the undigested materials that pass though it |
| colon | digestive organ, also known as the large intestine, that removes water from the undigested materials that pass though it |