Pages in this set

Page 1

Preview of page 1
Transport Glossary
DIFFUSION The net movement of molecules from an area
of high concentration to one of low
concentration
SURFACE-AREA-TO-VOLUME RATIO Some animals have a large surface area
compared with their volume. The ratio is
affected by shape of the animal
LUNGS Allow air in and out of the body,…

Page 2

Preview of page 2
SINGLE CIRCULATORY SYSTEM In fish: blood flows from heart to gills and then
to the body before returning to the heart
DOUBLE CIRCULATORY SYSTEM Two circuits; one carries blood to the lungs to
pick up oxygen (pulmonary circulation)
The other circuit carries the oxygen around the
body and to the…

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »