Animal Internal and External Structures

an organ that receives information from sense organs about the environment and then tells the body how to react

• heart

• brain

• lungs

• skeleton

a trait, feature, or quality

• classify

• structure

• function

• characteristic

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

the death of all organisms in a species

• extinct

• exoskeleton

Tags

NGSS.MS-LS4-1

a hard external covering on many invertebrates that maintains their shape and protects their organs

• skeleton

• structure

• exoskeleton

• endoskeleton

Tags

NGSS.MS-LS4-2

a rigid inner support in vertebrates made of bones

• structure

• exoskeleton

• vertebrate

• skeleton

an action that causes a certain reaction in an animal

• extinct

• gills

• classify

• stimulus

the organ in fish and young amphibians that takes in oxygen and water

• lungs

• gills

• heart

• brain

an organ that pumps blood

• lungs

• brain

• heart

• skeleton

the main respiratory organ that takes in and releases air

• lungs

• gills

• heart

• brain

to figure out the meaning of something

• characteristic

• classify

• stimulus

• interpret