PRESENTACIÓN SALUD

CURIOSITIES ABOUT HUMANS

LAURA ABARCA BEGOÑA CASTRO PAULA MARTÍN

INTRODUCTION

CURIOSITIES

• The human brain
• Fingerprints
• The human heart
• Emotional tears
• Laugh
• The human body
• Vision

CONCLUSION

UJ1. INTRODUCTIOn

• Humans are fascinating beings with many intriguing aspects.

• Science has allowed us to discover and understand numerous surprising facts about our species.

• We will explore some scientific curiosities about humans, ranging from the functioning of our brain to the unique features of our bodies.

2.CURIOSITIES

1.1 THE HUMAN BRAIN

• The human brain is the most complex and powerful organ in the human body.
• It has approximately 86 billion interconnected neurons, it serves as the control center for our cognitive, emotional, and motor functions.
• Brain permit us to learn, adapt, and change throughout our lives.

1.2 FINGERPRINTS

• Each person has a unique fingerprint pattern.
• Although fingerprints are formed during embryonic development and influenced by genetic, environmental, and random factors, no two individuals have identical fingerprints.
• This has made fingerprints an invaluable tool in forensic identification.

1.3 THE HUMAN HEART

• The human heart is an astonishing organ that beats approximately 2.5 billion times over a person's lifetime.
• It generates enough pressure to propel blood at a distance of 10 meters.
• In addition to being a vital organ, the heart is associated with our emotions, such as love and excitement.

1.4 EMOTIONAL TEARS

• Humans are the only animals that shed emotional tears.
• Emotional tears contain different chemical components compared to tears produced from irritation or eye cleansing.
• Crying can serve as a way to release emotions and has therapeutic effects, relieving stress and improving mood.

1.5 LAUGH

• Laughter is a universal biological response found in all known human cultures.
• Even babies can laugh before they can speak.
• Laughter is not only an expression of joy but also has health benefits.
• It has been shown to reduce stress, strengthen the immune system, and promote social bonding among individuals.

1.6 THE HUMAN BODY

• Our bodies are composed of an incredible number of atoms.
• It is estimated that there are about 7 octillion (7 followed by 27 zeros) atoms in the human body.
• These atoms organize into molecules and cells that interact in complex ways to keep us alive and functioning.

1.7 VISION

• Vision is our most dominant and powerful sense.
• Approximately 80% of the information that reaches the brain is processed through vision.
• Our eyes can distinguish up to 10 million different colors and can detect a lit candle at a distance of 1.6 kilometers in complete darkness.

3. conclusion

Humans possess remarkable scientific curiosities, from the intricate workings of our brain to the uniqueness of our senses. Exploring these curiosities helps us appreciate the marvels of being human. I hope you have enjoyed learning about these scientific curiosities about humans.

THE END