Answer:

"New car smell" is the scent of dozens of chemicals.

The severed head of a sea slug can grow a whole new body.

Hair and nails grow faster during pregnancy.

Some sea snakes can breathe through their skin.

The heads on Easter Island have bodies.

Goosebumps are meant to ward off predators.

The "M's" in M&Ms stand for "Mars" and "Murrie."