Which of the following is "the exchange of gases between the alveoli in the lungs and the blood stream"?

What is the term for the tiny air sacs of the lungs which allow for rapid gas exchange?

What is the term for the exchange of gases in the body between the blood stream and the body's cells?

What is the term for the metabolic reactions and processes that take place inside of cells to convert nutrients into energy in the form of ATP?

The main breathing tube from the from the mouth and nose leading to the lungs is called the:

The dome shaped muscular partition separating the chest from the abdomen is called the:

When we exhale the diaphragm moves:

When we exhale, the ribs move:

The two branches off of the trachea are the left and right:

When we inhale, the diaphragm moves:

When we inhale, the ribs move:

What is the name of the tiny hairs that protect the nasal passageways, trachea and and other parts of the respiratory tract and filter out foreign matter and organisms that are inhaled with the air?

The exchange of oxygen and carbon dioxide occur in the hundreds of millions of tiny air sacs in the at the end of the bronchioles called ____________________________.

In a process called passive diffusion, oxygen moves from the ________________________ to the ___________________________ .

Using passive diffusion, carbon dioxide moves from the ___________________ to the ______________________ to be exhaled.

If all the alveoli in our lungs was ironed out flat, they would cover the surface of :

What is a calorie?

What is the temperature at which water freezes in degrees Celsius?

What is the temperature at which water freezes in degrees Fahrenheit?