Which choice lists the structures adapted for permitting air flow from the external environment to the human lungs in the correct order? a) nasal cavity, bronchi, bronchioles, pharynx, trachea b) nasal cavity, trachea, pharynx, bronchi, bronchioles c) nasal cavity, pharynx, trachea, bronchi, bronchioles d) nasal cavity, bronchioles, trachea, pharynx, bronchi

Who is responsible for regaulating noise pollution

Organize the stages of tissue repair in the order in which they occur, starting with the first stage at the top.

Check all that occur during ventricular systole. a. the av valves open to allow blood to enter the ventricles from the atria. b. the av valves open to allow blood to enter the ventricles from the atria. c. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. d. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. e. the semilunar valves open to allow blood to flow into the large arteries. f. the semilunar valves open to allow blood to flow into the large arteries. g. the av valves close to prevent backflow of blood into the atria.