How many chambers does a human heart have?

You have reached your daily limit.
Come back tomorrow for more questions!
Today's progress
-
Points won Points 0
-
Correct 0%
-
Answered 0
-
Best streak Streak 0
Did you know...
The Blue Whale, the largest extant animal, is also thought to be the largest animal to have ever lived on Earth. These leviathans feed on krill, and can consume up to 500,000 calories per mouthful.
Image credit: Brett Sayles.
Oops! It seems like you've been here already.
Your last answer was:
Not {{vm.user.email}}?
Sorry for the mix-up, play this question yourself!