Question

1. True or False
Directions: Read and answer the following statements carefully. Write True if the statement is correct and False if otherwise.
1.
More oxygen is needed by the body when performing strenuous physical activity,
2. Our body needs carbon dioxide during inhalation and releases oxygen during exhalation
3. The circulatory system helps deliver nutrients and oxygen to the other parts of the body.
4. The Heart is the main organ of the human respiratory system.
5. The right ventricle pumps oxygenated blood towards the other parts of the body.
II. Multiple Choice
Directions: Read and analyze the following items carefully. Choose the best answer from the given options in each item.
1. With which other system does the respiratory system most closely interface in exchanging gases between the cells and the
environment?
A. the excretory system
C. the muscular system
B. the circulatory system
D. the digestive system
2. Which of the following is the gas exchange portion of the human respiratory system?
A. Alveoli
B. Trachea
C. Bronchi
D. Bronchioles
3. Which of the following is the main organ of the human respiratory system?
A Heart
B. Lungs
C. Kidneys
D. Stomach
4. Fill in the blanks: During inhalation, the volume of the chest cavity
as the diaphragm
A decreases, contracts
C. decreases, relaxes
B. increases, contracts
D. increases, relaxes
5. Which of the following pumps the blood that delivers nutrients and gases throughout the body?
A Veins
B. Arteries
C. Heart
D. Capillaries
6. What is the difference between the arteries and veins?
A. Arteries carry oxygenated blood while veins carry deoxygenated blood.
B. Arteries carry deoxygenated blood while veins carry oxygenated blood.
C. Arteries carry oxygen-poor blood while veins carry oxygen-rich blood.
D. Arteries carry blood towards the heart while veins carry blood away from the heart.
7. Which of the following parts of the heart ensures one-way flow of blood?
A Atria
B. Blood vessels
C. Valves
D. Ventricles
8. Which of the following BEST describes a pulmonary circulation of blood?
A. Circulation of blood from the heart to the lungs and back to the heart.
B. Circulation of blood throughout the body.
C. Circulation of blood within the heart.
D. Circulation of blood from the heart to the other parts of the body.
9. Which of the following parts of the blood helps fight diseases?
A. Plasma
B. Red blood cells C. Platelets
D. White blood cells​

Answer 1

Answer: 1. True    2. False   3. True 4. False.

Explanation: