Chapter 12 Lesson 2 Circulation and Gas Exchange

A system that transports materials through blood using vessels

• spiracle

• gills

• diffusion

• closed circulatory system

• open circulatory system

The movement of substances from an area of higher concentration to an area of lower concentration

• spiracle

• gills

• diffusion

• closed circulatory system

• open circulatory system

Organs that enable oxygen to diffuse into an animal’s body and carbon dioxide to diffuse out

• spiracle

• gills

• diffusion

• closed circulatory system

• open circulatory system

A system that transports blood and other fluids into open spaces that surround organs in the body

• spiracle

• gills

• diffusion

• closed circulatory system

• open circulatory system

The basic process of gas exchange that requires no structures at all

• spiracle

• gills

• diffusion

• closed circulatory system

• open circulatory system

Used by some organisms to exchange gases through the sides of their bodies

• spiracle

• gills

• diffusion

• closed circulatory system

• open circulatory system

Organs used for gas exchange by most animals that live in water

• spiracle

• gills

• diffusion

• closed circulatory system

• open circulatory system

System used by snails, insects, and many other invertebrates

• spiracle

• gills

• diffusion

• closed circulatory system

• open circulatory system

Keeps the red blood cells that carry oxygen separated from other fluids in the body

• spiracle

• gills

• diffusion

• closed circulatory system

• open circulatory system

All animals must take in carbon dioxide and eliminate oxygen to survive.

• True

• False

Tags

NGSS.MS-LS1-6