Grade 5 Science Competency Test Respiratory

The part labelled with the arrow ....

• delivers the stimuli of smell to the brain

• filters the air

• warms the air

• blocks the air

What organ works together with the pharynx to direct air into and out of the lungs?

• trachea

• larynx

• glottis

• epiglottis

Which of the following statements about the respiratory process is correct?

• Chest/Thoracic breathing involves the intercostal muscles.

• Chest/Thoracic breathing involves the diaphragm.

• When the diaphragm levels, the air exits the lungs.

• When the intercostal muscles contract, the chest deflates.

When the intercostal muscles contract and the chest cavity expands, the pressure in the chest is less than the outside pressure. This enables the air to enter into the lungs. What is this phase called?

• relaxation

• inspiration

• contraction

• expiration

What is the function of the respiratory organ labelled by the arrow?

• as the place where carbon dioxide and oxygen exchange takes place

• to adjust the volume of the air entering the lungs

• to filter the air entering the lungs

• to store the air

One of the disorders in respiratory system where the respiratory passage shrinks as a reaction to a certain stimulus is called ....

Which of the followings is the cause of Avian influenza?

• H5 N5

• H5 N1

• H5 N10

• H5 N7

What disease is caused by Mycobacterium Tuberculosis?

The human’s respiratory process is the process of inhaling oxygen and exhaling......

The phase where the intercostal muscles relax accompanied by the chest cavity getting smaller is called the ... phase.