The Pluck.

Not to long ago, I undertook the challenge of touching the inner of a sheep! (the lungs, heart, trachea and liver)
I had to feel the lungs and other parts and observe things. I found out that the lungs expand majorly when we breathe in and out! The pluck was enjoyable and i had lots of fun!
Now I know more about the human body! (and a sheep's)