Chapter 12 Vocabulary

a fluid-filled internal cavity surrounded by muscle tissue

• nerve net

• spiracle

• hydrostatic skeleton

• gills

a fluid-filled cavity in the body of an animal

• coelom

• hydrostatic skeleton

• undulation

• open circulatory system

a netlike control system that sends signals to and from all parts of the body

• crop

• closed circulatory system

• diffusion

• nerve net

Tags

NGSS.MS-LS1-3

the wavelike motion of some animal

• vertebrate

• undulation

• gills

• hydrostatic skeleton

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

• crop

• spiracle

• diffusion

• gizzard

a tiny hole on the surface of an organism where oxygen enters the body and carbon dioxide leaves the body

• spiracle

• nerve net

• coelom

• absorption

an organ that exchanges carbon dioxide for oxygen in water

• crop

• closed circulatory system

• open circulatory system

• gills

a system that transport blood and other fluids into open spaces that surround organs in the body

• open circulatory system

• absorption

• nerve net

• coelom

a system that transports materials through blood using vessels

• hydrostatic skeleton

• diffusion

• closed circulatory system

• coelom

a specialized structure in the digestive system where ingested material is stored.

• undulation

• gizzard

• spiracle

• crop