Q1 _REVIEWER

What is the primary function of the alveoli in the respiratory system? 

• To filter dust and allergens

• To exchange oxygen and carbon dioxide

• To transport air to the lungs

• To produce vocal sounds

Which structure acts as a passageway for both air and food?

• Larynx

• Trachea

• Pharynx

• Bronchi

What role does the diaphragm play in respiration?

• It filters air

• It produces sound

• It helps inhale and exhale air

• It connects the trachea to the lungs

Which part of the respiratory system is responsible for carrying air from the throat to the lungs?

• Larynx

• Bronchioles

• Trachea

• Alveoli

What is the correct sequence of events when air is taken into the lungs?

• Nose → Pharynx → Larynx → Trachea → Bronchi → Alveoli

• Mouth → Larynx → Trachea → Bronchi → Pharynx → Alveoli

• Nose → Larynx → Trachea → Bronchi → Alveoli

• Pharynx → Nose → Trachea → Bronchi → Alveoli

What is the primary function of the heart?

• To filter blood

• To pump blood throughout the body

• To transport oxygen

• To produce red blood cells

What is the function of the pericardium?

• To pump blood

• To produce blood cells

• To reduce friction around the heart

• To transport nutrients

Which type of blood vessel carries oxygen-rich blood?

• Veins

• Capillaries

• Arteries

• Lymphatics

What is the role of capillaries in the circulatory system?

• To pump blood

• To connect arteries and veins

• To carry blood back to the heart

• To store blood

Which component of blood helps to prevent blood loss?

• Plasma

• Red blood cells

• White blood cells

• Platelets