Which of the following is TRUE?
a. Glucagon is released by the beta cells of the pancreatic islets of Langerhans.
b. Bile only flows in one direction in the cystic duct.
c. Pepsinogen is converted into pepsin by hydrochloric acid.
d. Intrinsic factor is secreted by parietal cells and is necessary for vitamin K absorption in the ileum.
e. Mechanical digestion does not occur in any organs found below the diaphragm

24. how are vaccines used to keep people healthy?

After frida stops exercising, she continues to breathe heavily. what is most likely occurring in her body? heavy breathing during exercise has produced an oxygen surplus in her muscles. this oxygen is being transported to her lungs. this is a result of aerobic respiration. heavy breathing during exercise has produced a carbon dioxide surplus in her muscles. lactate is being transported to her liver. this is a result of aerobic respiration. strenuous exercise has caused her body to be in carbon dioxide debt, and she is breathing hard while lactate is transported to the liver. this is a result of anaerobic respiration. strenuous exercise has caused her body to be in oxygen debt, and she is breathing hard while lactate is transported to the liver. this is a result of anaerobic respiration.

Drag the labels to the correct location in the equation. not all labels will be used (1 kilometer = 1,000 meters, 1 hour = 60 minutes, 1 minute = 60 seconds) complete the steps necessary to convert 55 kilometers per hour to meters per second, min 60 1,000 15.28100 sec min 55 km 1 hour 5fhkem x 4 km] m x 1 hourin xoo1 min 1 km sec reset next