Which of the following is not one of the four cardinal signs or symptoms of inflammation?
A) edema
B) heat
C) loss of function
D) redness
C) loss of function
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How does a swim bladder help the ray-finned fishes maintain buoyancy?
A) It removes water from the digestive tract. B) It removes oxygen from the water and stores it. C) Gas is added to the bladder as the fish's depth increases. D) Gas is removed from the bladder as the fish's depth increases. E) It adds and removes salt from the water stored in the bladder, which changes its density and thus its buoyancy.
Which statement is true about the exchange of gases during respiration?
a. Oxygen diffuses from the cell into the interstitial fluid b. Carbon dioxide diffuses from the interstitial fluid into the cell. c. All of these statements are true. d. Oxygen diffuses from interstitial fluid into the cell. e. Carbon dioxide diffuses from one cell to another cell.
As wavelength increases, the associated energy
A. remains the same. B. increases. C. decreases.
According to scientific evidence, what is the best prevention method known for reducing the chance of contracting a common cold?
A) drinking Echinacea tea at least once a day B) eating 500 mg of vitamin C a day C) using throat lozenges that contain zinc D) washing your hands frequently and effectively