The respiratory system contains which of the following body parts?
heart, lungs and mouth
ear, nose and throat
nose, trachea and lungs
all of the above

2paragraphs choose one team sport and one individual sport. what are the advantages and disadvantages of having to play each of these sports in gym class?

You should never drive a car if you are a.taking cold medication b. suffering from the flu c. drinking alcohol d. all the above

What percent of body heat can be lost through the head