Term
What is an antagonistic muscle pair? |
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Definition
Its is a pair of muscles where one muscle is the primary mover and moves directly while an antagonistic muscle is one that moves in the opposite direction |
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Term
How does the Sarcomiere work? |
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Definition
The small fibers in the sacromere are called myosin and actin. The Myosin are tiny fibers that have a head branching off of them. The myosin attaches to the actin during cellular respiration. This contracts the muscle and makes it shorter. |
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Term
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Definition
the lack of oxygen tha causes the accumulation of lactic acid in the muscles and liver. the amount of oxygen debt equals the amount of oxygen needed by the clls to convert the accumulated lactic acid into glucose |
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Term
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Definition
The lungs are divided into 9 segments and each segment receives a separate branch of the bronchus. The bronchi subdivided into bronchial tubes to form bronchioles. At the end of the bronchioles are alveoli which are bubble like sacs that increase the surface area of the lungs |
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Term
What is the function of the lungs |
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Definition
The lungs collect oxygen to oxygenate the blood in order to perform cellular respiration |
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Term
How do the lungs perform their job? |
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Definition
The diaphragm pulls downward and air is pulled into the lungs. The oxygen is absorbed by the alveoi and is transported through the body in the blood. The deoxygenated blood returns to the lungs where cabon dioxide is exchanged for oxygen. The CO2 is released back into the air by breathing out. |
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Term
What is the pharynx/what does it do? |
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Definition
Is a passageway for air from the nose to the larynx, it also keeps food from going into the lungs |
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Term
What is the trachea/what does it do? |
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Definition
is the tube from the larynx to the lungs |
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Term
What is an epilglottis/what does it do? |
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Definition
The muscle that closes the glottis to prevent food from going into the lungs |
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Term
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Definition
a degenerateive condition in which the lungs overexpand and the walls of alveoli lose their elasticity and often rupture. Fluids fill the lungs |
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Term
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Definition
an inflammation of the bronchi and bronchial tubes |
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Term
List the Digestive structures in order. |
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Definition
Mouth, Pharynx, Esophagus, Stomach, small intestine, large intestine |
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Term
What is the function of the Mouth? |
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Definition
Chews food, breaks down starch |
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Term
What is the function of the Pharynx? |
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Definition
moves food and liquids to the esophagus |
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Term
What is the function of the Esophagus? |
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Definition
moves food and liquid to the stomach |
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Term
What is the function of the stomach? |
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Definition
churns food until its a semiliquid called chyme, moves chyme into the sm. intestine, breaks down proteins into fragments |
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Term
What is the function of the small intestine? |
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Definition
mixes chume from stomach with juices from intestine nad pancreas wnad with bile from the liver; absorbs most of the food |
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Term
What is the function of the large intestine? |
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Definition
Prepares waste material for egstion; absorbs water, minerals, and vitamins |
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Term
What are the accessory organs? |
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Definition
Liver, Gallbladder, and Pancreas |
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Term
What is the function of the liver? |
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Definition
engulfs the worn out blood, removes drugs and poisons from blood, converts excess glucose into fats, absorbs amino acids to manufacture proteins, stores the fat-solubnle vitamins, iron, and coper |
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Term
What is the function of the gallbladder? |
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Definition
holds the bile and sends it into the small intestine |
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Term
What is the function of the Pancreas? |
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Definition
holds digestive juices that have enzymes to break down carbohydrates, fats, and proteins |
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