
S1·E8 – Breathing⭐ 5.0/5
1987-11-01 • 26 min
Air bubbles travel from the nose to the lungs. In the swampy, mucus-filled areas, they meet the red blood cells that transport them around the body.
1987-11-01 • 26 min
Air bubbles travel from the nose to the lungs. In the swampy, mucus-filled areas, they meet the red blood cells that transport them around the body.