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Most oxygen transported in human blood______ .
a. is bound to hemoglobin
b. combines with carbon to form carbon dioxide
c. is in the form of bicarbonate
d. is dissolved in the plasma
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- The majority of oxygen in the blood is transported by ________. a. dissolution in the blood b. being carried as bicarbonate ions c. binding to blood plasma d. binding to hemoglobinCarbon dioxide when traveling in the form of bicarbonate ion does so ______ a. bonded to water b. associated to hemoglobin c. within the plasma of blood d. within the red blood cellThe majority of carbon dioxide in the blood is transported by ________. a. binding to hemoglobin b. dissolution in the blood c. conversion to bicarbonate d. binding to plasma proteins
- The respiratory system ________. a. provides body tissues with oxygen b. provides body tissues with oxygen and carbon dioxide c. establishes how many breaths are taken per minute d. provides the body with carbon dioxideVital capacity is the_____ . a. amount of hemoglobin in a red blood cell b. amount of time a person can hold his or her breath c. maximum amount of air a person can move in and out with one breath d. amount of oxygen in an exhalationOxygen attaches to a(n) ______ ion in hemoglobin.a. calciumb. sodiumc. irond. potassium
- 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 MUCHIn human lungs, gas exchange occurs at the______ . a. bronchi c. alveoli b. bronchioles d. pleural sacsCarbon Dioxide is carried in the blood by all the following means except: a. dissolved in plasma b. as bicarbonate c. as carbonic acid d. bound to hemoglobin e. all of these methods are used to transport carbon dioxide in blood
- The primary function of the pleural membranes is ____ A. to decrease friction and allow the lungs to move within the thoracic cavity is B. to decrease surface tension by producing surfactant C. to prevent the lungs from putting pressure on the heart and surrounding vessels D. to prevent respiratory infectionsInside a red blood, an oxygen molecule binds what other molecule? A. Glucose B. Hemoglobin C. Carbon Dioxide D. AlveoliO2 bound to hemoglobin: a. acts the same as physically dissolved oxygen b. Comes off the hemoglobin (dissociates) more easily as you increase the oxygen partial pressure c. exerts a partial pressure d. Comes off the hemoglobin (dissociates) more easily as you increase the acidity (decrease the pH) e. all the options are correct 2. Air convection in mammals is driven by a smaller pressure gradient than blood convection because: a. Bronchioles have a greater resistance to flow than arterioles b. bronchioles tend to have a smaller radius than arterioles and capillaries c. air is easier to move with pressure gradients than blood d. air generally travels farther in your body than does blood e. air is heavier than blood 3. The rate of diffusion of gases is NOT determined by which of the following? a. The area of the surface across which diffusion is occurring b. The mechanical energy…
