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Module 3: Gas Exchange and Circulation

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Questions and Answers

What is the primary function of the respiratory system in the human body?

To produce energy for the body

To exchange carbon dioxide and oxygen and remove metabolic waste products (correct)

To regulate body temperature

To transport substances to the cells

What is the term for the network of organs that allows the circulation of substances throughout the body?

Respiratory system

Circulatory system

Vascular system (correct)

Nervous system

What is necessary for metabolic activities in all living organisms?

Only food and water

Exchange of gases (correct)

Only sunlight

Only oxygen

What is the purpose of the exchange of gases in the human body?

To support metabolic activities Signup and view all the answers

What is the commonality among all living organisms in terms of basic needs?

They require food, water, and air Signup and view all the answers

What is the focus of this module in relation to gas exchange and circulation?

To compare and contrast the processes of gas exchange and circulation in plants and animals Signup and view all the answers

What is the primary function of the circulatory system?

To transport blood to all parts of the body Signup and view all the answers

What is the range of pulse rate for an adult?

60 to 100 beats a minute Signup and view all the answers

Where are the arteries closest to the surface of the skin?

At the wrist and neck Signup and view all the answers

What is the purpose of tracing the pathway of air in a mammalian respiratory system?

To explain the coordination of respiratory and circulatory systems Signup and view all the answers

What is the connection between the lungs and heart illustrated in the image?

Blood circulation from the heart to the lungs Signup and view all the answers

What is the term for the expansion of the arteries due to increased blood pressure?

Pulsation Signup and view all the answers