Lesson 5

What system protects and supports the animal?

• Skeletal system

• Digestive System

• muscular system

• circulatory system

What system regulates hormones?

• Digestive system

• Endocrine System

• excretory system

• digestive system

How do plants use carbon dioxide?

• To make fertilizer.

• To make water

• To help in Photosynthesis

• To make boogers

Which of these groups has an exoskeleton?

• Mammals

• Amphibians

• Fowls

• Arthropods

What part of the body help with breathing?

• Heart

• Muscles

• Lungs

• bladder

I will study for the Chapter 1 Science Test.

• Yes

• No

• Maybe