Circulatory & Respiratory Systems

Open Ended

How do you think the respiratory and circulatory systems might work together to keep the body functioning?

Multiple Choice

Why is it important for students to understand the functions of the respiratory and circulatory systems in the human body?

• Because these systems are essential for delivering oxygen and nutrients to cells and removing waste products.

• Because these systems help us digest food.

• Because these systems control our emotions.

• Because these systems are only important for athletes.

Multiple Choice

Which two body systems are being connected in today's lesson?

• Respiratory and circulatory systems

• Digestive and nervous systems

• Muscular and skeletal systems

• Nervous and skeletal systems

Open Ended

Explain how gas exchange connects the respiratory and circulatory systems.

Multiple Choice

What is the first step in the journey of oxygen through the body after inhalation?

• Oxygen enters the lungs through the mouth and trachea

• Oxygen is absorbed by the muscles

• Oxygen is transported directly to the heart

• Oxygen is stored in the stomach

Fill in the Blanks

Inside the lungs, tiny air sacs called

pass oxygen into the blood.

Open Ended

Describe the pathway of oxygen from inhalation to delivery to the body, including the roles of the respiratory and circulatory systems.

Multiple Select

Which of the following steps occur as blood moves oxygen from the lungs to the rest of the body?

• Blood from the lungs goes to the heart

• The heart forces blood to the body from the aorta

• Oxygen is absorbed directly into the muscles from the lungs

• Oxygen-rich blood is sent to the digestive system first

Multiple Choice

What is the main purpose of oxygen-rich blood in the body?

• To deliver oxygen to cells for energy production

• To remove waste from the body

• To transport nutrients to the stomach

• To fight infections

Multiple Select

Which of the following statements are true about carbon dioxide in the blood?

• It replaces oxygen in the blood after energy is produced

• It is a waste product from energy production

• It is used by cells to produce energy

• It is transported to the lungs to be exhaled

Fill in the Blanks

Oxygen-poor blood from the body is sent to the

before being pumped to the lungs.

Open Ended

Explain how the respiratory and circulatory systems work together. Use evidence from the text, the image, and Part 1.

Open Ended

What questions do you still have about how the respiratory and circulatory systems function together?

Multiple Choice

How do the respiratory and circulatory systems work together to maintain homeostasis in the human body?

• The respiratory system supplies oxygen to the blood, and the circulatory system transports it to cells.

• The circulatory system produces oxygen, and the respiratory system distributes it.

• Both systems independently deliver oxygen to the body without interaction.

• The respiratory system removes waste from cells, and the circulatory system provides nutrients.

Multiple Choice

Which of the following best explains how the respiratory and circulatory systems work together to deliver oxygen to the body?

• The respiratory system brings in oxygen and the circulatory system transports it to cells.

• The circulatory system produces oxygen and the respiratory system delivers it to cells.

• Both systems independently deliver oxygen to the body without interacting.

• The respiratory system removes oxygen from the body and the circulatory system stores it.