Introduction:
Enzymes are working under normal temperature; enzymes are very important in
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- Heat exchange with the environment depends on the surface area-to-volume ratio of the body. Assuming that the body shape of an animal is at least somewhat spherical, a considerable decrease in body size would _______ the surface area-to-volume ratio, and the ability to exchange heat with the environment would _______. A. increase; increase B. increase; stay about the same C. increase; decrease D. decrease; increase E. decrease; stay about the samearrow_forwardA major means for conserving heat is __________. A.Increased convective .Enhanced sweating C.Increased metabolic rate D.Vasoconstriction of cutaneous blood .Vasodilation of cutaneous blood vesselsarrow_forwardWhich of the following statements is True?a. Ectotherms generate most of their body heatmetabolically.b. Ectotherms include birds and mammals.c. Ectotherms experience variable body temperatures.d. Ectotherms are known as “warm-blooded” animals.arrow_forward
- Which of the following will NOT facilitate the transfer of oxygen to tissues? a. decreased body temperature b. decreased pH of the blood c. increased carbon dioxide d. increased exercisearrow_forwardThe act of breathing raises the blood oxygen level, lowers the blood carbon dioxide concentration, and raises the blood pH. According to the principles of negative feedback, sensors that regulate breathing should respond to a. a rise in blood oxygen. b. a rise in blood pH. c. a rise in blood carbon dioxide concentration. d. all of these.arrow_forwardIf an individual has impaired respiratory function, as occurs with emphysema, you would expect all of the following except a. production of additional lactate. b. an impaired ability to make ATP. c. low energy levels and complaints of being tired. d. increased aerobic cellular respiration.arrow_forward
- Below are three statements - two of which are truths and one is a lie. Which of the following statements is a lie?Select one: a.Glaucoma is an eye condition that resulted from build up of pressure in the eyes. b.Mild altitude sickness happens due to the reduced barometric pressure and low oxygen level and can be prevented by taking in the acetazolamide drug. c.Decompression sickness (DCS) happens due to the high pressure exerted by the sea to the diver's body.arrow_forwardA patient comes in complaining that they chronically feel cold and can’t seem to get warm. You take their temperature and find that it is 35.4 C in a cool exam room (normal is 37 C). Provide three different possible explanations of what could be going wrong. These explanations should involve at least two different body systems.arrow_forwardThe process of monitoring and adjusting of the body’s condition, such as temperature and pH, is known asa. exothermy.b. homeostasis.c. osmoregulation.d. ectothermy.arrow_forward
- Which of the following is NOT a way that carbon dioxide exits the body? * A. carbon dioxide travels down the concentration gradient and is able to diffuse from the tissues directly out of the body through its pores. B. carbon dioxide dissolves directly into the blood plasma to be carried to the lungs where it will be exhaled. C. Carbon dioxide binds with hemoglobin as red blood cell pass through tissues and is released as the blood cells reached the lungs. D. carbon dioxide converts into bicarbonate ions in the blood as it diffuses from the tissues and converts back to carbon dioxide as it reaches the lungs to be exhaled PLS ANSWWER ASP THANK YOUU SO MUCHarrow_forwardThe respiratory system does NOT function in:- a. odor detection. b. acid-base homeostasis. c. speech production. d. blood cell production.arrow_forwardWhich of the following carries oxygento various parts of human body?A. Red blood cellsB. White blood cellsC. PlasmaD. Nervesarrow_forward
- Human Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage Learning