Tree riddle answer: What lives for centuries and gives oxygen

Oxygen level chart Explained…!

@drbahaadmourBlood Vessels on the Heart | 3D Anatomy 🫀 🔍 ────────── The heart pumps blood throughout the body, but its own muscle also requires a constant supply of oxygen and nutrients. 🫀 The coronary arteries arise from the aorta and distribute oxygen-rich blood across the myocardium. Cardiac veins then collect blood from the heart muscle, with much of it returning through the coronary sinus into the right atrium. This 3D anatomical view highlights the vessels running across the surface of

How did cyanobacteria create the oxygen? | Dr. Sandip Chakraborty #shorts #podcast

What Happens If Oxygen Disappears for 5 Seconds? 😳

Found a Live egg under Many quail eggs.

Many chicks hatching in old tyre - egg incubator.

I HATCHED CHICKS IN OLD MICRO-WAVES OVEN #chickshatched.