Page 167 - (DK) Super Shark Encyclopedia: And Other Creatures of the Deep

Multipurpose hammer A HEAD FOR SENSE
The shape of a hammerhead may All sharks have sensors in their head, but the
help it swim. Hammerheads are hammerhead has more than most. Each blade of
less buoyant than other sharks, but the hammer contains a large organ for smelling
the hammer helps provide lift, just prey, and the skin is dotted with jelly-filled
like an aircraft wing, in the water. pores for detecting movement.

Sensory pores cover the
Brain receives information underside of the head
from all the sensors, including
eyes and smell detectors

Spinal cord carries
information between
the brain and the rest
of the body

Sharks have small
hearts and low
blood pressure but
swimming helps
push blood around
the body