Components of Respiratory System in Humans

Q. In human body, lungs are located in the _____ cavity.

1. diaphragm

2. chest cavity

3. stomach

4. abdominal cavity

Q. How many lungs do humans have?

1. 1
2. 4
3. 3
4. 2

Q. During inhalation, diaphragm moves ___.

1. up
2. down
3. right
4. left

Q.

Smoking mainly damages which of the following organs?

1. Kidney

2. Heart

3. Liver

4. Lungs

Q. The transfer of oxygen and other gases between air in the lungs and blood vessels takes place at the

1. Pharynx
2. Diaphragm
3. Trachea
4. Alveoli

Q. Write the correct sequence of the pathway through which air travels after entering the body.

1. Larynx, pharynx, trachea bronchioles
2. Pharynx, larynx, trachea, bronchioles
3. Pharynx, larynx, bronchioles, trachea
4. Pharynx, trachea, larynx, bronchioles

Q.

The figure above shows a model of lungs using a pair of balloons and an elastic membrane attached to a bottle whose wide end has been removed. When the elastic membrane is pulled, the red balloons expand. The elastic membrane represents which part of the respiratory system?

1. Lungs
2. Rib cage
3. Rib muscles
4. Diaphragm

Q.

The openings through which we inhale is called ___ .

Q. When we breathe in, which organ among the following expands?

1. Heart
2. Stomach
3. Lungs
4. Kidneys

Q.

Identify the components a, b and c. Choose the option that correctly matches the parts shown above.

1. a-Nasal cavity, b- rib muscles, c- lungs

2. a-pharynx cavity, b- diaphragm, c- lungs

3. a-Nasal cavity, b- lungs, c- diaphragm

4. a-Nasal cavity, b- diaphragm, c- lungs