SC Year 4: Human Breathing Process

What are the organs we use to breath? (Answers can be more than 1).

• lungs

• eyes

• nose

• trachea

What is the process called when you breath in the air?

• inhalation

• exhalation

What is the process called when you breath out the air?

• inhalation

• exhalation

Which of the following show the air passage for inhalation?

• lungs --> nose --> trachea

• nose --> trachea --> lungs

• nose --> lungs --> trachea

• trachea --> lungs --> nose

Which of the following show the air passage for exhalation?

• trachea --> lungs --> nose

• lungs --> nose --> trachea

• lungs --> trachea --> nose

• nose --> trachea --> lungs

How do your chest move during inhalation?

• goes up and inflate

• goes down and contract

• no movement

How do your chest move during exhalation?

• goes up and inflate

• goes down and contract

• no movement

Which of the following will cause faster rate of breathing?

• reading a story book

• dancing

• sleeping

• watching television

What happens to breathing rate when you exercise?

• increases

• decreases

• stays the same

Why does your breathing rate increase when you exercise?

• more oxygen is picked up at the lungs for delivery to the working muscles

• less oxygen is picked up at the lungs for delivery to the working muscles

• your muscles are resting

• your lungs need more energy to function