P6 HW CHAPTER 1 RESPIRATORY AND CIRCULATORY SYSTEM

What can we do to care for our respiratory system when we are outdoors and faced with haze?

• Smoke

• Exercise

• Drink Water

• Wear a mask

The table shows the movement of the ribcage and the thin sheet of muscle below the lungs during breathing. Which of the following represents the movement when we breathe out?

• A

• B

• C

• D

The picture show the human respiratory system during breathing in and breathing out. Which of the following statements about X and Y is/are correct?

Which of the following statements about X and Y is/are correct?

 (1) X contains only oxygen and nitrogen.

 (2) Y contains carbon dioxide removed by the body.

 (3) X enters the nose and travels down the windpipe, but only oxygen is absorbed by the blood vessels.

• 1 only

      

• 3 only

   

• 2 and 3 only

• 1, 2 and 3

Refer to the following to answer the question.

 (1) Nose

 (2) Blood

 (3) Lungs

 (4) Air sacs

 In which order would oxygen pass through the structures above?

• 1 → 2 → 3 → 4

• 2 → 3 → 4 → 1

• 1 → 3 → 4 → 2

• 3 → 4 → 2 → 1

Which of the following make up the respiratory system?

• Brain, spinal cord

• Mouth, gullet, stomach

• Heart, blood vessels, blood

• Nose, windpipe, air tubes, lungs, air sacs

Clarin, Audri, Keith and Kai Jie made the following statements about the

 human respiratory system.

 Clarin: The human respiratory system helps us to exchange gases with

 our surroundings.

 Audri: It is better to breathe through the nose because the nose

 contains hair to trap dust.

 Keith: Air travels from the nose to the windpipe through the air tubes.

 Kai Jie: Carbon dioxide from the lungs passes into the blood.

 Whose statements are correct?

• Clarin and Audri

• Keith and Kai Jie

• Clarin, Audri and Keith

• Audri, Keith and Kai Jie

The human respiratory system consists of the _________.

 (1) nose

 (2) heart

 (3) lungs

 (4) windpipe

• 1 and 2 only

   

• 2 and 3 only

                  

• 1, 3 and 4 only

• 2 , 3 and 4 only

Which human body system is shown below?

• Skeletal system

• Muscular system

• Digestive system

• Respiratory system

Which of the following correctly shows the function of the systems listed in the table?

• A

• B

• C

• D

Which of the following explains why the human circulatory system has a double circulation pathway?

• Blood goes through the lungs once.

• Blood goes through the heart once.

• Blood goes through the lungs twice.

• Blood goes through the heart twice.