Respiratory, Circulatory, Digestive and Excretory Systems

It is the main organ of the circulatory system..

• lungs

• heart

• blood

• blood vessel

Does your blood have cells?

• yes

• no

• sometimes

• maybe

What is the main function of the circulatory system?

• It gives the body structure and support

• It dispose waste from the body

• It transport blood, nutrients and wastes in the body

• It send messages to the different parts of the body

What do the respiratory and circulatory systems have in common?

• They supply your body with oxygen and cells.

• They break down food and nutrients in your body.

• They both aid in healing your body.

• They help your body move.

When you exhale, carbon dioxide leaves the body and it releases __________.

• gas

• toxins

• germs

• air

What are the functions of the respiratory system?

Select ALL that apply.

• provides oxygen for your cells

• removes CO2 and H2O when you exhale

• carries oxygen and nutrients

• provides shape and support for muscles

when your rib muscles and diaphragm contract or relax to allow air in or out

• alveoli

• breathing

• cartilage

• cell

• homeostasis

The job of the red blood cell is to

• fight infection
• deliver oxygen and discard carbon dioxide
• form scabs

The air sacs in the lungs are called

• bronci
• lasagne
• alveoli

Your pulse tells how fast your ___________ is beating.

• heart
• lungs