I heart finding the main idea!

I heart finding the main idea!

Turn to page 11 in the Circulatory Story

Read the details:

-blood flows in and out with each heartbeat.

-the chambers squeeze and then relax.

-the chambers send blood through the heart and into blood vessels.

-each atrium and ventricle squeezes.

Open Ended

After reading all those supporting details from page 11, what is the main idea of the page? Write a complete sentence telling the main idea.

Turn to pages 12-13 in The Circulatory Story.

-the valves open when the squeezes happen.

-valves keep blood flowing in the right direction.

-when the left atrium contracts (squeezes) the mitral valve opens.

-when the blood flows into the left ventricle, the valve closes.

-the left ventricle contracts pushing blood to the rest of the body.

Open Ended

After reading the supporting details of pages 12 - 13, what is the main idea of these pages? Write your response in a complete sentence.

Turn to pages 14-15 in The Circulatory Story.

-the left ventricle is a strong muscle.

-there are 60,000 miles of blood vessels in the human body.

-the arteries carry blood away from the art (arteries = away)

-the veins carry blood to the heart

-capillaries connect arteries and veins (capillaries = connect.

Open Ended

After reading the supporting details on pages 14-15, what is the main idea? Write a complete sentence to respond.