Neural signals from olfactory cilia are transmitted to the and then transmitted to the and other areas of the brain.

Mitral cells transmit impulses to:
1. Limbic region 
2. Primary olfactory cortex for processing and analysis.

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.

the backbone of the dna and rna compound is sugar phosphate.