To return to the lesson, click the Back button or press Esc. Resources

To return to the lesson, click the Back button or press Esc. The Cardiovascular System Image Bank

To return to the lesson, click the Back button or press Esc. Image Bank Chambers of the Heart

To return to the lesson, click the Back button or press Esc. Pulmonary Circulation Image Bank Click image to view animation.

To return to the lesson, click the Back button or press Esc. Veins and Valves Image Bank Click image to view movie.

To return to the lesson, click the Back button or press Esc. The Cardiovascular System Image Bank

To return to the lesson, click the Back button or press Esc. The Lymphatic System Image Bank

To return to the lesson, click the Back button or press Esc. Care and Problems of the Cardiovascular System Image Bank

To return to the lesson, click the Back button or press Esc. The Respiratory System Image Bank

To return to the lesson, click the Back button or press Esc. The Respiratory System Image Bank Click image to view animation.

To return to the lesson, click the Back button or press Esc. The Respiratory System Image Bank Click image to view movie.

To return to the lesson, click the Back button or press Esc. Image Bank Care and Problems of the Respiratory System

To return to the lesson, click the Back button or press Esc. Image Bank Avoid Tobacco

To return to the lesson, click the Back button or press Esc. Image Bank Asthma

To return to the lesson, click the Back button or press Esc. Image Bank Sinusitis

Read the passage below and then answer the questions. You have a cold. Your nose is running, your eyes are watery, and you ache all over. A cold virus has invaded your upper respiratory tract, and you feel miserable. For centuries chicken soup has been offered as a remedy for these symptoms. People swear that it works, but no one knows why. So scientists decided to do some testing. They found that in most, but not all, cases, chicken soup came to the rescue. To return to the lesson, click the Back button or press Esc. TAKS Test Practice

Read the passage below and then answer the questions. These results left the door open for other theories. Consuming a bowl of soup lessens dehydration in cold victims, which might alleviate symptoms. Then there is the comfort factor of a warm, soothing bowl of soup when you are miserable with a cold. And there’s always the placebo effect, leaving a cold victim improved because he or she believes that the remedy works. So the jury is still out on chicken soup. To return to the lesson, click the Back button or press Esc. TAKS Test Practice

1. The author opens the passage by A. comparing the possible effects of chicken soup. B. describing cold symptoms. C. analyzing the effects of chicken soup. D. describing how a virus causes colds. To return to the lesson, click the Back button or press Esc. TAKS Test Practice

2. Which phrase from paragraph 2 helps the reader understand the meaning of the word placebo? A. connection to a calming of the symptoms B. leaving a cold victim improved C. because he or she believes that the remedy works D. other theories To return to the lesson, click the Back button or press Esc. TAKS Test Practice

3. Write a paragraph describing how you feel when you have a cold and what remedies have worked to make you feel better. To return to the lesson, click the Back button or press Esc. TAKS Test Practice

Use this Foldable to help you organize your notes on the structure and function of the cardiovascular system. Begin with three sheets of 8½” x 11” paper. Fold a sheet of paper in half along the short axis. To return to the lesson, click the Back button or press Esc. Before you read Foldables

Unfold. Fold the bottom 2” of the paper up. Glue along the sides of the fold to form pockets. To return to the lesson, click the Back button or press Esc.

Foldables To return to the lesson, click the Back button or press Esc. Label as shown. Place 3” x 5” index cards or pieces of paper in the pockets.

Foldables To return to the lesson, click the Back button or press Esc. As you read and discuss the material in the chapter, record and define terms, draw diagrams, and list main ideas and supporting facts on the index cards in the appropriate pockets of your Foldable. As you read

Transparencies To return to the lesson, click the Back button or press Esc. Pulmonary Circulation The circulation of the blood between the heart and lungs is called pulmonary circulation.

To return to the lesson, click the Back button or press Esc. The Cardiovascular System Transparencies A network of arteries, veins, and capillaries moves blood throughout the body, providing cells with oxygen and nutrients and removing wastes.

To return to the lesson, click the Back button or press Esc. The Lymphatic System Transparencies A lymphatic system is a network of vessels, much like the cardiovascular system, that helps protect against pathogens.

To return to the lesson, click the Back button or press Esc. Care and Problems of the Cardiovascular System Transparencies

To return to the lesson, click the Back button or press Esc. The Respiratory System Transparencies The lungs are the principle organs of the respiratory system.