Biology, 12.09.2019 05:30 pedrojsq271
Cardiac muscle cells (fibers) that do not contract but instead create and conduct the action potential throughout the heart are atrial fibers. autorhythmic fibers. ventricular fibers. contractile fibers.
Answers: 2
Biology, 21.06.2019 20:00
Many people try to eliminate fat from their diets. which is one reason it is necessary for humans to eat fat? a. eating fat is the fastest way to get energy. b. fat eliminates triglycerides from the body. c. saturated fats clear out the blood vessels. d. fat nerves transmit signals. , this is for apex in summer school.
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Biology, 22.06.2019 02:00
The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.
Answers: 1
Biology, 22.06.2019 02:00
The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste.the percentage of food that the united states wastes each year is %.
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Biology, 22.06.2019 10:00
Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.
Answers: 1
Cardiac muscle cells (fibers) that do not contract but instead create and conduct the action potenti...
Mathematics, 21.06.2019 22:00
History, 21.06.2019 22:00
Mathematics, 21.06.2019 22:00
Mathematics, 21.06.2019 22:00
Biology, 21.06.2019 22:00