Topic 2 Lesson 4 Flashcard

Front

What is the reason why blood at location B contains more oxygen than blood at location A?

Back

Because blood at location B comes from the lungs.

Front

Which chamber of the heart receives deoxygenated blood from the body?

Back

Right atrium.

Front

How many chambers does the heart have?

Back

4.

Front

What are the thin-walled sacs of lung tissue where gases move between air and blood called?

Back

Alveoli.

Front

Which system works with the circulatory system to provide our body with oxygen?

Back

Respiratory system.

Front

What is the primary function of the alveoli in the lungs?

Back

To facilitate gas exchange between air and blood.

Front

What type of blood does the right ventricle pump to the lungs?

Back

Deoxygenated blood.

Front

What is the role of the left atrium in the heart?

Back

To receive oxygenated blood from the lungs.

Front

What is the main function of the circulatory system?

Back

To transport oxygen, nutrients, and waste products throughout the body.

Front

What is the pathway of blood flow starting from the right atrium?

Back

Right atrium → Right ventricle → Lungs → Left atrium → Left ventricle → Body.