Air is forced into the lungs by the contraction of thea. alveoli. c. diaphragm. b. bronchioles. d. heart.

Does the lining of the airways get swollen during an asthma attack?

In addition to light what are plants dependent on

All chordates have a flexible supporting rod in their backs called

Adult skin cells can no longer become other types of cells because they have already undergone what?

Describe how living things use anaerobic respiration to generate energy. In your answer, identify the main products generated by the two types of anaerobic respiration, and identify one organism that performs each type.

Gender, the sense of being male or female, is well-established by the time children are

Which is an external environmental factor that affects heredity? gender structural differences nutrition hormones

If water were a non polar molecule how would its properties be different?

What do you know about owl habitat

In the California Mojave Desert, an energy company is building a large solarpower facility. It is expected to produce enough power for 140,000 homes and also cut carbon dioxide emissions by 500,000 tons a year.