Which term means "serious inflammation or infection of the
lungs"?
A pharyngitis
B. pneumonia
C. sinusitis
D. pneumothorax

Nucleic acid certain protein cell membranes certain carbohydrates

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time

Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems