Which part of the respiratory system would be used to clear dust and toxic products from the lungs? O A. Windpipe O B. Cilia O C. Pancreas O D. Bronchi

The following statement about pathogens are true except for one, which statement is not true? a. pathogens belong in the human body b. pathogens can cause infectious diseases c. some pathogens can be classified as animals d. pathogens can multiply inside a host organism

Fill in the blanks to complete the labels on this model of replicating dna! super

Why would a smoker tend to inhale more deeply and smoke more cigarettes when he or she switches to low nicotine cigarettes