41 Amazing, Fun and Interesting
Biology Facts
Biology talks about life. Everything living around us is
related to the study of biology.
Hire a home tutor or online tutor for biology subject.
Here are a few of the amazing, fun and interesting
biology facts you must know.
Fact # 1
Humans spend about five years of their lives eating.
Fact # 2
The only part of the body that has no blood is the
cornea of the eye. It receives oxygen directly from the
air.
Human eye structure
Fact # 3
An adult skin weighs around 3 to 4 kgs.
Fact # 4
Is a sign of a healthy mind if you hear your name when
nobody is calling you.
Fact # 5
Vaccines play a significant role in educating your
immune system.
How vaccines work
Fact # 6
The left side of your body controls the right side of your
brain and the right side of your body controls the left
side of your brain.
Fact # 7
Potatoes are stems and onions are leaves.
Fact # 8
Chewing gum while studying can help to boost your
memory.
Fact # 9
Drinking cold water (500ml) on an empty stomach can
boost your metabolism by 30%.
Metabolism level
Fact # 10
8 nights without sleep can result in death.
Fact # 11
About half of your body is bacteria.
Fact # 12
In a lifetime, a human body will process about 100,000
pounds of food.
Fact # 13
In camera terms, the human eye is around 576
megapixels.
Fact # 14
Positive feelings, exercise regularly and build healthy
eating habits may boost your immunity.
Healthy habits
Fact # 15
When a person cries and the first drop comes out of the
left eye, it’s painful. Right eye is happy. Both indicate
frustration.
Fact # 16
An healthy adult human heart beats around 80 times on
average in a minute.
Fact # 17
Blowing out birthday candles can increase bacteria on
the cake by 1,500%.
Fact # 18
Your heart rate changes with the music you listen to.
Music affect our heart rate
Fact # 19
An individual takes around 23,040 breaths every day, or
around 672,768,000 breaths in a lifetime.
Fact # 20
We experience billions of germs per day, however
they’re not all bad.
Fact # 21
When an individual reaches 70 years old, the person
will have consumed more than 12,000 gallons of water.
Fact # 22
Your thumb is the same length as your nose.
Fact # 23
Side sleeping lower back pain. For quick relief of back
pain, put a pillow or blanket between your knees to
keep your hips in alignment. If you sleep on your back,
placing a pillow or blanket under your knees will take
some strain off of your back.
Correct sleep posture
Fact # 24
The brain is one of the fattest organs in the human
body, about 60% is fat.
Fact # 25
Every 35 days , your skin replaces itself and your body
makes new cells from the food you eat. What you eat
literally becomes you.
Fact # 26
Most people die in their sleep during 3:00am – 4:00am
because this is the time your body is weakest.
Fact # 27
When you can’t sleep on your first night in a new place,
your brain is trying to protect you because our bodies
put us in a strange, half-asleep state. It’s called the
“first night effect” in humans.
Fact # 28
Male brains are 8-13% larger than female brains.
Female vs male brain
Fact # 29
Vitamin B12 found in animal-sourced foods, such as
egg, fish, meat, milk, yogurt, butter.
Fact # 30
It doesn’t matter if fingerprints are harmed, they will
always grow back in their original pattern.
Fact # 31
Plants have hormones that promote growth and health.
Fact # 32
Hugging each other can help improve memory, reduce
stress, and has a lowering effect on blood pressure.
Hugs are so powerful
Fact # 33
Some of the people can hear their eyeballs moving
around in their mind.
Fact # 34
You have two kidneys, but only one is necessary to live.
Fact # 35
Brushing your teeth with your opposite hand
stimulating the brain’s cognitive and creative functions.
Fact # 36
Most dreams last only 5-20 minutes.
Fact # 37
You have about 70,000 thoughts a day.
H
ow many thoughts does a person have in one day
Fact # 38
Put your hands and feet in warm or hot water and put a
bag of frozen peas at the base of your head to reduce
headaches.
Fact # 39
Put a cleaned garlic in your ear helps remove pain in
ears, ear infections, and headaches quickly and
effectively.
Fact # 40
The smallest bones in the human body are found in the
ear.
Fact # 41
Light from the sun is made of all the colours of the
rainbow.