Text: help Paashvo transport.. Question 3 2pt Select ALL that apply. What will happen when there is less air going into and out of an area of the lungs (when ventilation decreases)? - Perfusion of the alveoli will decrease. - The concentration of O2 in the alveolus would increase. - The concentration of CO2 in the alveolus would increase. - The pulmonary arterioles to the alveolus would dilate, increasing blood flow. Question 4 2pts (Select ALL that apply) Which of the following statements is/are TRUE? - Trypsinogen activates enterokinase. - Trypsin does its job in the small intestine. - Trypsinogen is cleaved by procarboxypeptidase. - Trypsinogen is secreted by the pancreas. - Trypsin is a protease.

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