ASSIGNMENT 2 AND 3 LEARNING AIM B
AND C EXAMPREP 2026 TEST BANK AND
PRACTICE SOLUTION
⩥ Lungs. Answer: The main organ of the respiratory system.
⩥ Thoracic Cavity. Answer: The space in the human body where the
lungs are located.
⩥ Rib Cage. Answer: Bone structure of the human body that protects our
lungs and heart.
⩥ Intercostal Muscle. Answer: Muscles that hold the rib cage together
which also help to protect the lungs and heart.
⩥ Diaphragm. Answer: A sheet of muscle that separates the thoracic
cavity from the abdomen. It also helps in breathing.
⩥ Goblet Cells. Answer: a column-shaped cell found in the respiratory
and intestinal tracts, which secretes the main component of mucus.