Circulatory Story and Literal heart Test

“With hemoglobin’s help, blood can transport oxygen to all parts of the body, including cells and tissues, which need a constant supply of oxygen (O2) in order to work.”

1. PART A: What does the word transport mean in this sentence?

• take

• remove

• change

• block

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“With hemoglobin’s help, blood can transport oxygen to all parts of the body, including cells and tissues, which need a constant supply of oxygen (O2) in order to work.”

PART B: Which piece of text evidence best shows the meaning of transport?

• "Looks like an inner tube without the whole."

• "It's an erythrocyte."

• "cells carry oxygen."

• “attaches to a chemical called hemoglobin”

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How does the illustration on pages 6 and 7 of The Circulatory Story help readers understand the ideas on page 6?

• It shows the actual size and shape of the elements found in blood.

• It shows how red blood cells carry oxygen through a blood vessel.

• It shows what happens when cells and tissues receive oxygen from blood.

• It shows how the body’s red and white blood cells are formed in the blood.

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See the red thing that looks like an inner tube without the hole? It’s an erythrocyte, and it’s one of the three cellular components, or formed elements, of blood. (We’ll meet the other components later.) An erythrocyte is also known as a red blood cell, and it’s your ride. This red blood cell is just one of millions found in a drop of blood. These cells carry oxygen. No, they don’t carry it in a suitcase or a backpack. Instead, the oxygen attaches to a chemical called hemoglobin that’s found in red blood cells. With hemoglobin’s help, blood can transport oxygen to all parts of the body, including cells and tissues, which need a constant supply of oxygen (O2) in order to work. Nice job, Red!

What is the Main idea of the passage from page 6?

• Erythrocytes are also known as red blood cells.

• Erythrocytes look like inner tubes without the hole.

• Erythrocytes have a chemical called hemoglobin.

• Erythrocytes supply oxygen to all parts of the body.

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For this Question, you will need The Circulatory Story by Mary K. Corcoran. Read “The Arching Aorta” on pages 16–17.

PART A: What is compared on these pages?

• the arteries and the aorta

• blood vessels and subway tunnels

• blood flow and a ladder

• parts of the heart and rooms with walls

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For this Question, you will need The Circulatory Story by Mary K. Corcoran. Read “The Arching Aorta” on pages 16–17.

PART B: What does this comparison help the reader understand?

• how blood flows to and through the heart

• he jobs that each part of the heart performs

• he difference between the aorta and other types of arteries

• how blood travels from the heart to the rest of the body

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Read this sentence from the passage, then look at the illustration on pages 16 and 17.

“The blood traveling through the aorta will eventually branch out to reach the rest of the body, including the lungs, kidneys, stomach, intestines, and legs.”

How does the illustration add detail to this sentence from the passage?

• The illustration includes many parts of the heart and circulatory system.

• The illustration includes arrows and labels to show where the blood travels.

• The illustration shows the little green guy driving a train carrying red blood cells.

• The illustration shows the three different layers of a blood vessel.

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“The blood traveling through the aorta will eventually branch out to reach the rest of the body, including the lungs, kidneys, stomach, intestines, and legs.”

PART A: What is the main idea of this passage?

• All blood travels through one artery, the aorta, to reach the rest of the body.

• The aorta is the biggest artery in the body, but all arteries are fairly large.

• Three blood vessels in the aorta carry blood to the upper parts of the body.

• Arteries have layered walls that can stretch as blood moves through them.

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PART B: Which detail from the passage support the main idea of pages 16-17? “All arteries have thick, elastic walls.”

• “These three blood vessels are arteries”

• “they can expand as blood passes through them”

• “all blood travels through it before heading off to other places”

• “As you travel through the aorta, you’ll notice that it forms an arch.”

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Read this sentence from the passage.

“Antibodies also give you immunity from that disease, meaning they help prevent you from getting it again.”

1. What is the meaning of the word immunity as it is used in this sentence?

• chemicals

• protection

• illness

• signs

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