The conversation between human and AI assistant.
[|Human|] Look up the facts about the human heart and provide a one-sentence summary.
[|AI|] The human heart is a muscular organ that pumps blood throughout the body and beats an average of 100,000 times a day, delivering nutrients and oxygen to cells while removing waste products.
[|Human|] 
Look up the facts about the human heart and provide a one-sentence summary.