❤️
Circulatory
Status: Active
Pumps 2,000 gallons of blood daily.
ALERT: The heart creates enough pressure to squirt blood 30 feet!
🧠
Nervous
Status: Processing
Contains 86 billion neurons.
ALERT: Information moves at 268 miles per hour.
🫁
Respiratory
Status: Breathing
Surface area matches a tennis court.
ALERT: You lose a lot of water just by breathing out.
Knowledge Diagnostics
Question: Which bone is the strongest in the human body?