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64. Blood leaving the lungs should have: A) low oxygen content B) high pH level

ID: 272202 • Letter: 6

Question

64. Blood leaving the lungs should have: A) low oxygen content B) high pH level C) high temperature D) low pH level 65. What signals the body to breathe? A) The lungs B) The heart C) The brain stem D) The corpus callosum E) The sinoatrial node 66. Which event does not happen during inhalation in mammals A) O2 is taken into the lungs B) Rib cage expands C) Diaphragm contracts D) CO2is released from the lungs E) None of the above What is another organ many amphibians can respire with, other than lungs or gills? A) Skin B) Anus C) Eyes D) Brain E) A and B 67. s? 68. Which would likely reduce hemoglobin's binding affinity to oxygen? A) Decrease in blood pH B) Increase in blood pH C) Increased heart rate D) Decreased temperature E) All of the above 69. In three chambered amphibians, greater systemic pressure means? A) a lot of blood pressure B) they lack lungs C) more sleeping D) higher activity levels E) all of the above s?

Explanation / Answer

64.blood leaving the lungs should have high ph that is low acidic

65.the brain stem

66.none of the above ,all options are true

67.the organ is skin

68.it is decreased in low pH

69.all of the above are correct