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Ch 30: Holt McDougal Biology Chapter 30: Respiratory & Circulatory Systems

About This Chapter

The Respiratory & Circulatory Systems chapter of this Holt McDougal Biology Companion Course helps students learn the essential lessons associated with the respiratory and circulatory systems. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Respiratory & Circulatory Systems textbook chapter.

How It Works:

  • Identify the lessons in the Holt McDougal Respiratory & Circulatory Systems chapter with which you need help.
  • Find the corresponding video lessons with this companion course chapter.
  • Watch fun videos that cover the circulatory and respiratory systems topics you need to learn or review.
  • Complete the quizzes to test your understanding.
  • If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.

Students will learn about:

  • Respiratory system gas exchange
  • The parts and functions of the circulatory system
  • The respiratory surface
  • Chronic obstructive pulmonary disease
  • The anatomy of the heart
  • Blood vessels
  • Blood plasma
  • The functions of red blood cells
  • The functions and components of the lymphatic system

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11 Lessons in Chapter 30: Holt McDougal Biology Chapter 30: Respiratory & Circulatory Systems
Test your knowledge with a 30-question chapter practice test
Gas Exchange in the Human Respiratory System

1. Gas Exchange in the Human Respiratory System

People need their lungs for gas exchange and to easily transfer gases between the blood and the air. Learn more about the gas exchange, the human respiratory system and it's functions.

The Human Circulatory System: Parts and Functions

2. The Human Circulatory System: Parts and Functions

The human circulatory system has many parts that enable blood to move throughout the body. Learn about the circulatory system, how provides oxygen to cells, and explore the many other parts and functions, including the pulmonary and systemic circuits.

The Respiratory Surface and Gas Exchange Efficiency

3. The Respiratory Surface and Gas Exchange Efficiency

Gas exchange efficiency occurs due to a thin respiratory surface or membrane that contains many alveoli cells. Learn about the respiratory surface and factors that make gas exchange efficient, as well as how gases are lipid-soluble.

The Causes of Chronic Obstructive Pulmonary Disease (COPD)

4. The Causes of Chronic Obstructive Pulmonary Disease (COPD)

Chronic obstructive pulmonary disease, or COPD, is a respiratory condition involving chronic airway inflammation, difficulty breathing, and mucus production. Explore the common causes of COPD, treatment options, and learn about other obstructive pulmonary diseases such as asthma and bronchiectasis.

Anatomy of the Heart: Blood Flow and Parts

5. Anatomy of the Heart: Blood Flow and Parts

The heart is a complex organ that regulates a body's blood flow. Explore the anatomy of the heart and learn about its different parts, including the four chambers and heart valves, the heartbeat, as well as the process and importance of blood flow.

Blood Vessels: Arteries, Capillaries & More

6. Blood Vessels: Arteries, Capillaries & More

Blood vessels enable blood to flow through the body. Learn about blood vessels, including arteries, arterioles, capillaries, veins, and venules. Understand the functions of blood vessels and explore how blood backflow is prevented.

What Is Blood Plasma? - Function & Components

7. What Is Blood Plasma? - Function & Components

Making up more than half of the composition of blood, blood plasma is primarily made of water and plays an important role in transporting nutrients, electrolytes, and other substances. Learn more about the function and components of blood plasma.

Functions of Red Blood Cells, White Blood Cells & Platelets

8. Functions of Red Blood Cells, White Blood Cells & Platelets

The blood is a connective tissue and it is made up of red blood cells, white blood cells, and platelets and these cells each have a specific function that helps the blood transport minerals, protect the body from germs, and heal wounds. Learn about the functions of red blood cells, white blood cells, and platelets.

The Lymphatic System: Definition and Fundamental Components

9. The Lymphatic System: Definition and Fundamental Components

The lymphatic system is comprised of organs, vessels, tissues, and ducts that create and transport lymph throughout the body. Learn about the definition and fundamental components of the lymphatic system.

Functions of the Lymphatic System

10. Functions of the Lymphatic System

A healthy lymphatic system is necessary for a properly functioning cardiovascular system. Learn about the lymphatic system (lymphatic capillaries, lymph nodes, lymph, lymphatic vessels, & lymphatic drainage), the functions of each structure within the lymphatic system, and how edema occurs if the lymphatic system fails to return leaked fluids to the blood.

Closed Circulatory System: Definition & Advantage

11. Closed Circulatory System: Definition & Advantage

The human body uses a closed circulatory system to transport blood and nutrients within a closed circuit of vessels. Learn about the circulatory system, open and closed circulatory systems and the advantages of a closed circulatory system.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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