Which of the following describes the ability of the blood to carry more oxygen as a result of being at a higher altitude?  

What two factors must be coupled for efficient gas exchange? 

Which of the following would happen if respiratory rate increased? 

What correctly describes the function of cilia AND mucus? 

How is carbon dioxide transported in the blood? 

What is the BER? How does it prevent the small intestine from being damaged?

Which of the following describes the principle that all amino acids need to be present at one time to make a particular protein? 

Match the respiratory organ to its function. 

Which of the following correctly describes the modifications in the mucosa of the small intestines? 

Match the following digestive diseases with their description.