DIRECTIONS: Read each question carefully and choose the letter of the correct answer
1. What is the primary function of the respiratory system?
C. ASSESSMENT/APPLICATION
A. breathing
B. circulation C. digestion
D. movement
2. What human body system is responsible for the distribution of food nutrients and exygen
throughout the body?
A. Circulatory
B Nervous C. Respiratory
3. What type of blood cell protects your body from infection due to disease causing
microorganisms?
A. plasma
4. What is a circulatory system?
D. Skeletal
B. platelets
C. red blood cell
D. white blood cell
A. The body's breathing system C. The body's food processing system
B. The body's system of nerves D. The body's blood-transporting system
5. What is the function of the tonsils?
A. They vibrate in order to produce sound,
B. They prevent food from entering the windpipe.
C. They warm and moisten the air that enters through the nose.
D. They trap and destroy the bacteria that enters through the nose and the mouth
6. What happens during inhalation?
A Air rushes out of the lungs.
B. The ribs and diaphragm relax.
C. The ribs and diaphragm contract
D. The chest cavity become smaller
7. When does choking happen?
A. When the epiglottis is pressed down the opening of the larynx to prevent from entering
B. When the epiglottis is raised and air flows into the larynx and to the lungs,
C. When food accidentally goes into the trachea,
D. When food is trapped in the larynx,
8. Why is the heart important?
A. It stops the flow of blood
B. It checks the flow of blood.
C. It occupies the chest cavity.​