(Question)
Q: What type of cells are multiple small spaces located in the right and left sides of the ethmoid bone? Choices: - alveoli - ethmoid vacuoles - amniotic sacs - ethmoid air cells A:
(Answer)
ethmoid air cells

(Question)
Q: What word describes a carbonyl where the carbon atom makes single bonds with two others? Choices: - acetone - ions - photons - ketones A:
(Answer)
ketones

(Question)
Q: What is the term for the smallest blood vessels? Choices: - muscles - Aortas - arteries - capillaries A:
(Answer)
capillaries