Respiratory and Circulatory Systems

Mrs. Serota reviews Unit 9 Lesson 3 activities, focusing on correcting summary statements about body systems, a brain check activity with matching answers, and applying concepts by identifying opposite actions. Key topics include the skeletal, muscular, circulatory, and respiratory systems, as well as plant and animal structures for breathing.

Which system is correctly described as consisting of bones, cartilage, and ligaments?

• Respiratory system

• Muscular system

• Skeletal system

• Circulatory system

What is the correct function of the respiratory system?

• Brings in oxygen and releases carbon dioxide

• Carries blood through the body

• Brings in carbon dioxide and releases oxygen

• Supports the body with bones

How do plants take in air?

• Through book lungs

• Through gills

• Through stomata

• Through mouths

Which structure do fish use to breathe?

• Exoskeletons

• Book lungs

• Hearts

• Gills

What is the function of the circulatory system?

• Moves blood around the body

• Works in pairs to move the body

• Moves air into and out of the body

• Supports the body with bones

Which body part works in pairs to help your body move?

• Bones

• Heart

• Muscles

• Lungs

Which organ system is responsible for moving air into, around, and out of your body?

• Respiratory system

• Skeletal system

• Muscular system

• Circulatory system

Which of the following is a hard covering on the outside of some animals' bodies?

• Exoskeleton

• Stomata

• Bones

• Muscles

What is the opposite action of 'contract'?

• Expand

• Inhale

• Relax

• Exhale

What is the opposite action of 'inhale'?

• Relax

• Exhale

• Expand

• Contract