100 Things to Know About the Human Body by Alex Frith

This book is a comprehensive and engaging guide to the human body, covering a wide range of topics and fascinating facts. Here are some of the key things you can learn from this book:

Body Systems

• The human body is made up of 37.2 trillion cells
• The heart beats around 3 billion times in a lifetime
• The lungs can hold up to 4.5 liters of air
• The brain uses 20% of the body’s energy while only accounting for 2% of its mass

Body Parts

• The human nose can detect over 1 trillion different scents
• The tongue is the strongest muscle in the body relative to its size
• The eyes can process 36,000 bits of information every hour
• The ears can detect sounds as low as 20 Hz and as high as 20,000 Hz

Health and Wellness

• The human body can produce over 25,000 quarts of saliva in a lifetime
• The skin is the largest organ in the body, covering around 22 square feet
• The human body can survive without food for several weeks, but only a few days without water
• Regular exercise can increase life expectancy by up to 7 years

Fun Facts

• The human body has a unique fingerprint, just like a fingerprint
• The longest recorded human nose was over 3 inches long
• The human body can produce over 100 different facial expressions
• The longest recorded human hair was over 5 feet long

Interesting Comparisons

• The human body is made up of around 60% water, similar to the amount found in a pineapple
• The human nose can detect the scent of a person’s emotions, similar to a dog’s sense of smell
• The human brain is more powerful than the fastest computer in the world, processing information at speeds of up to 100 billion calculations per second
• The human body can generate enough heat to warm up a small room, with the average person producing around 100 watts of heat per hour

Overall, “100 Things to Know About the Human Body” by Alex Frith is a fascinating and informative book that covers a wide range of topics related to the human body. From the intricacies of body systems to interesting facts and comparisons, this book is sure to delight readers of all ages.