Incredible Machine Human Body Facts

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the value of the human body in dollars?

What is the largest single organ in the human body?

Skin

How many particles of skin do we shed each hour?

600,000

What is the percent dust in our homes that is made of skin?

80% Signup and view all the answers

How long does it take for us to develop a new coat of skin?

1 Month Signup and view all the answers

How many holes or pores do we have in our skin?

2 Million Signup and view all the answers

How many photoreceptors are found in the retina?

120 Million Signup and view all the answers

What does the laser do to fix the damaged blood vessels in Steve Tyler's voice box?

Repairs damaged blood vessels Signup and view all the answers

How many different odors can we smell with every breath?

10,000 Signup and view all the answers

How much air do humans take in with each relaxed breath?

1 Pint Signup and view all the answers

How many times a day do we breathe?

20,000 Signup and view all the answers

How many alveoli are found in our lungs?

300 Million Signup and view all the answers

How many capillaries are found in the body?

10 Billion Signup and view all the answers

How many white blood cells are found in a drop of blood?

400 Signup and view all the answers

How long is the human digestive tract?

+20 Ft Signup and view all the answers

How much saliva do we produce in a day?

1 Pint Signup and view all the answers

What is our largest body's internal organ?

Liver Signup and view all the answers

How many muscles are there in the human body?

650 Signup and view all the answers

What percent of body mass is made of bones?

15% Signup and view all the answers

How many joints are there in the human body?

187 Signup and view all the answers

How many egg cells are in the human ovary?

1 Million Signup and view all the answers

How many egg cells actually get released?

400 Signup and view all the answers

How many sperm cells are produced by the human male in a day?

14 Million Signup and view all the answers

How many sperm actually make it to the egg?

1 Signup and view all the answers

In which week of pregnancy can a primitive heart be seen?

8 Weeks Signup and view all the answers

What is the most complex organ in the human body?

Brain Signup and view all the answers

How fast do messages travel in neurons?

200 Miles per hour Signup and view all the answers

What part of the brain is used in meditation?

Prefrontal Cortex Signup and view all the answers

What percent of our total oxygen in our body is used by the brain?

20% Signup and view all the answers

Study Notes

Human Body Facts

The estimated value of the human body is significant in terms of dollars.
Skin is the largest single organ, serving as the body's protective barrier.
Humans shed approximately 600,000 particles of skin each hour, contributing to household dust.
About 80% of the dust present in homes is comprised of shed skin particles.
A new coat of skin is developed approximately every month, showcasing the body’s regenerative capabilities.

Skin and Sensory Information

The human skin has around 2 million pores or holes, allowing for various sensory functions.
The retina contains about 120 million photoreceptors, which are responsible for detecting light and color.
Humans can identify around 10,000 different odors with each breath, highlighting the sensitivity of the olfactory system.

Respiratory System

Each relaxed breath takes in about 1 pint of air.
On average, a person breathes approximately 20,000 times per day.
The lungs contain about 300 million alveoli, which are essential for gas exchange.

Circulatory System

The human body houses about 10 billion capillaries, crucial for nutrient and gas transport.
A drop of blood contains roughly 400 white blood cells, vital for immune response.

Digestive System

The human digestive tract measures over 20 feet in length, facilitating nutrient absorption and waste elimination.
Approximately 1 pint of saliva is produced daily, assisting in digestion and oral health.

Musculoskeletal System

The largest internal organ in the human body is the liver, playing a key role in metabolism and detoxification.
There are about 650 muscles in the human body, allowing for movement and stability.
Bone mass constitutes nearly 15% of total body mass, providing structure and support.
A total of 187 joints enable a wide range of motion throughout the body.

Reproductive System

The human ovary contains about 1 million egg cells, though only 400 are released during a woman's reproductive years.
The male body produces about 14 million sperm cells daily, but only one sperm typically reaches an egg during fertilization.

Developmental Milestones

A primitive heart can be seen as early as 8 weeks into pregnancy, marking an important stage of fetal development.

Neurological System

The brain is the most complex organ, responsible for processing information and coordinating bodily functions.
Neuron signals can travel at speeds of up to 200 miles per hour, enabling rapid communication within the nervous system.
The prefrontal cortex is the brain region utilized during meditation, reflecting its role in higher cognitive functions.
Approximately 20% of the body's total oxygen is used by the brain, emphasizing its high energy demands.

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Description

Test your knowledge on fascinating facts about the human body with this Incredible Machine video worksheet flashcards. Discover the monetary value of the human body, the largest organ, and interesting statistics about skin and dust. Challenge yourself to learn unique insights into human biology.