What is the fastest marine mammal?
The common dolphin, reaching speeds of 60 km/h or 37 mph
How many bones are in the average human body?
206
True or False: Your body's temperature rises slightly during digestion.
True!
What is the largest rodent in the world?
The capybara
True or False: Most of the dust in your home is made of human skin.
False (although you can find this "fact" in a lot of places). Dust is made up of lots of different things including animal dander, insect waste, and dirt.
What type of blood cells fight infections and diseases?
White blood cells
Which mammal sleeps the most?
Koalas
What is the longest-living land mammal?
Humans
Which organ has four chambers?
The heart
Which is the rarest blood type in humans?
AB negative. Less than one percent of the population has this blood type.
How many times does the heartbeat per day?
About 100,000
After what age do babies start shedding tears?
One month
Which mammal has fingerprints almost identical to humans?
Koala

Where on your body is your skin the thinnest?
Eyelid
What does SARS stand for?
Severe Acute Respiratory Syndrome
Which bone are babies born without?
Knee cap
What is the average lifespan of a human red blood cell?
Around 120 days.
What organ produces Insulin?
Pancreas
What is the only mammal born with horns?
The giraffe, though the horns are soft at birth
What is the loudest mammal?
The sperm whale, capable of making sounds up to 230 decibels!
What mammal has the strongest bite force?
The hippopotamus, with over 1,800 PSI
What kind of cells are found in the brain?
Neurons
What mammal has the largest brain?
The sperm whale
What part of the brain is responsible for regulating basic bodily functions like heartbeat and breathing?
Medulla Oblongata
How long can a sloth hold its breath underwater?
Up to 40 minutes