Some classmates are very interested on this content and they find more information. Remember the definition of CELL.
The cell is the basic structural and functional unit of all living organisms. It is the smallest unit of life. And it is often called the building block of life. Organisms can be classified as unicellular (bacteria) or multicellular (plants, animals).
HUMAN contains about 10 trillion cells.
MORE CURIOUSITIES BY Ainhoa Castillo
The cell was discovered by Robert Hooke in 1665.
Biologists think we lose 440.000 cells every day.
The heart is a muscle that pumps the blood to all the body. It moves 5 liters in 1 minute.
Arteries, veins and capillaries form the CIRCULATORY SYSTEM (with the organ: HEART). They are the tubes which transport blood.
Capillaries are very thin and long. They think there are 40.000 kilometers of capillaries in the human body, it’s just the distance to travel around the world.
THANKS FOR YOUR COLLABORATION, JULIÀ AND AINHOA .