Gizmo: Circulatory System

Before you begin the Gizmo answer the following prelab questions.

1

What structure is indicated by number 1.

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What structure is indicated by number 2.

1

What structure is indicated by number 3.

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What structure is indicated by number 4.

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What structure is indicated by number 5.

Go to the Circulatory System Gizmo. As you complete the Gizmo answer the following questions. You will need to dual screen between the Gizmo and the Goformative.

In the Gizmo click on show blood flow and show labels. Observe: Blood in each chamber of the heart is represented by little balls. Click Play  and observe the balls as they move through the heart and lungs.

1

In what order does blood flow through the four chambers?

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Click Play. Observe the path of blood that leaves each ventricle. Where does blood from the right ventricle go?

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Click Play. Observe the path of blood that leaves each ventricle. Where does blood from the left ventricle go?

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Collect data: Use the syringe to collect a blood sample from the right atrium (on the left side of the heart diagram). Look at the Data from blood sample numbers. What is the concentration of oxygen in this sample?

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Collect data: Use the syringe to collect a blood sample from the right ventricle (on the left side of the heart diagram). Look at the Data from blood sample numbers. What is the concentration of carbon dioxide in this sample?

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Why is the blood in the right ventricle low in oxygen?

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Collect data: Use the syringe to collect a blood sample from the left atrium. Look at the Data from blood sample numbers. What is the concentration of oxygen in this sample?

1

Collect data: Use the syringe to collect a blood sample from the left ventricle. Look at the Data from blood sample numbers. What is the concentration of carbon dioxide in this sample?

1

Why is the blood in the left ventricle high in oxygen?

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Observe: Click Play and Show Blood flow and watch the blood after it leaves the left ventricle. What are some places that blood goes after leaving the heart?

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The Gizmo shows three types of blood vessels. Arteries (red) carry blood away from the heart and veins (blue) carry blood back to the heart. Locate examples of arteries and veins. Use the syringe to take blood samples from several different veins and arteries. Which type of blood vessel usually carries oxygen-rich blood?

1

The Gizmo shows three types of blood vessels. Arteries (red) carry blood away from the heart and veins (blue) carry blood back to the heart. Locate examples of arteries and veins. Use the syringe to take blood samples from several different veins and arteries. Which type of blood vessel usually carries oxygen-poor blood?

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Collect data: Use the syringe to collect a blood sample from the intestines. Look at the Data from blood sample numbers. What is the concentration of Blood sugar in this sample?

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In the intestines, sugars that are broken down enter the blood by diffusing through what structure?

1

What structure is indicated by number 1.

What structure is indicated by number 2.

What structure is indicated by number 3.

What structure is indicated by number 4.

What structure is indicated by number 5.

In what order does blood flow through the four chambers?

Click Play. Observe the path of blood that leaves each ventricle. Where does blood from the right ventricle go?

Click Play. Observe the path of blood that leaves each ventricle. Where does blood from the left ventricle go?

Collect data: Use the syringe to collect a blood sample from the right atrium (on the left side of the heart diagram). Look at the Data from blood sample numbers. What is the concentration of oxygen in this sample?

Collect data: Use the syringe to collect a blood sample from the right ventricle (on the left side of the heart diagram). Look at the Data from blood sample numbers. What is the concentration of carbon dioxide in this sample?

Why is the blood in the right ventricle low in oxygen?

Collect data: Use the syringe to collect a blood sample from the left atrium. Look at the Data from blood sample numbers. What is the concentration of oxygen in this sample?

Collect data: Use the syringe to collect a blood sample from the left ventricle. Look at the Data from blood sample numbers. What is the concentration of carbon dioxide in this sample?

Why is the blood in the left ventricle high in oxygen?

Observe: Click Play and Show Blood flow and watch the blood after it leaves the left ventricle. What are some places that blood goes after leaving the heart?

Collect data: Use the syringe to collect a blood sample from the intestines. Look at the Data from blood sample numbers. What is the concentration of Blood sugar in this sample?

In the intestines, sugars that are broken down enter the blood by diffusing through what structure?

Blood flows through the right and left kidney. What is the function of the kidneys?