Learn how our complex human bodies function in ‘The Amazing Human Body’

Explore the internal mechanics of the human body through pioneering graphics and captivating scientific case studies into explore the internal mechanics of the body in vivid detail, revealing the surprisingly beautiful biological processes that keep humans alive in “The Amazing Human Body” on Wednesday, Sept. 19, beginning at 7 p.m. on Arizona PBS. Missed it? Watch all three parts on pbs.org until Oct. 17.

This three-part, three-hour miniseries will help you witness the fascinating and finely tuned systems that keep the body motoring and the scientists guessing.

Case studies from across the globe showcase the dazzling secret science of the human body. A child prodigy in Phoenix demonstrates the brain’s ability to prioritize mental development over physical growth, a chilling dip in an icy lake reveals how shivering might just save our lives and low-level torture in a London laboratory highlights the way bodies block pain.

Part One: Grow (7 p.m.)

Learn how humans begin life as a single cell and, over the course of a lifetime, grow into beings of more than 37 trillion cells. Plus, explore new discoveries that can help humans live longer, healthier lives.

Part Two: Survive (8 p.m.)

Discover the miracles the human body goes through every day to stay alive and healthy. From fighting infections to repairing damage, human bodies have remarkable arsenals that allow survival against all kinds of outside threats.

Part Three: Learn (9 p.m.)

See how experiences shape the brain and body together, allowing them to adapt to the outside environment and develop new skills. Plus, learn how the brain forms memories by storing and processing billions of pieces of information every second.