The narrow air passages through the nasal cavity are called

A) nasal meatuses.
B) external nares.
C) nasal conchae.
D) paranasal sinuses.
E) nasal septa.

Lipid-soluble hormones can be more easily excreted once they have water-soluble molecules added to their structure in a process called ________.

A) saponification
B) amplitude-modulation
C) conjugation
D) protein-binding