Where Does the Diffusion of Respiratory Gases Takes Place

question 2

Multiple Choice

Where does the diffusion of respiratory gases takes place?

• A) Alveolocapillary membrane
• B) Visceral pleurae
• C) Parietal pleurae
• D) Respiratory centre

---

Definitions:

Fibroblast

Spindle-shaped or stellate cells that form connective tissue.

Osteocyte

A mature bone cell encased in bone matrix, playing an essential role in bone maintenance, mineral homeostasis, and repair.

Spongy Bone

A type of bone tissue found at the ends of bones and in the interior of vertebrae, characterized by a porous, lattice-like structure that is lighter and less dense than compact bone.

Concentric Lamellae

Layers of bony matrix in an osteon, circularly arranged around a central canal containing blood vessels and nerves in the bone.