Down to Earth

Teacher: "Ok boys, today we'll find out what the heart does. Silvia, what do you think it does?"
Silvia: "Heart makes us care about our friends"
Teacher: "Very well! Matt, what about you?"
Matt: "Heart makes us help people that is not as lucky as us"
Teacher: "Great! And what about you, Mark?"
Mark: "Heart makes us love all the animals"
Teacher: "That's brilliant! And what about you, Alex?"
ME: "The heart pumps the blood"
Teahcer: "..."
Me: "I'm sorry... does it do something else?"