Hi i need help with this, and i apologize if i got the subject wrong above. Thank you in advance :) Multiple choice:

1. Which among the following statements is NOT true about the main functions of the human respiratory system?

a. It maintains the acid level of the body.
b. It is responsible for respiration.
c. It gives off oxygen and take in carbon dioxide.
d. It gives off carbon dioxide and take in oxygen.

2. What organs comprise the respiratory system?

a. Bronchioles, alveoli, capillaries
b. Larynx, pharynx, esophagus, windpipe
c. Trachea, epiglottis, bronchi, bronchioles
d. Throat, windpipe, voice box, nasal cavity

3. Why do gym instructors or physical education teachers instruct those who exercise to breathe deeply?

a. Deep breathing allows the body to inhale more carbon dioxide.
b. Deep breathing allows the body to take in more C02
c. Deep breathing allows the body to intake more oxygen.
d. Deep breathing allows the body to take out oxygen.

4. Which among the following choices below is the right pathway of oxygen from the lungs to the body tissues?

a. Alveoli-blood stream-RBC-tissues
b. Alveoli-RBC-bloodstream-tissues
c. RBC-alveoli-bloodstream-tissues
d. RBC-bloodstream-tissues

5. Levi’s doctor advised him to limit his intake of foods that are high in fat. The doctor explained that a high-fat diet could result in the clogging of the artery walls. How could this affect the circulation?

a. The clogging of artery walls inhibits circulation.
b. It is easier for the blood to pass through.
c. It will prevent blood clotting.
d. It will initiates a continuous flow of blood.