The Brain
How big and heavy are your eyes?
Your eyes are about 1 inch across and weigh about 0.25ounces.
What is the hardest working muscle in the human body?
The heart is the hardest muscle in the human body, pumping around 2,500 gallons of blood on the average day.
What percentage of total body weight does your skin make up?
Your skin makes up about 15% of your body weight
You can eat and drink upside down, true or false?
True, though more difficult your body doesn’t need gravity to eat. Instead your esophagus muscles move in a wave like motion to move food down to the stomach.
What gender (male/female) has a larger brain on average if any?
Yes with male bodied people tending to have larger brains than female bodied people.
What is the most common eye color?
The world's most common eye color is brown.
What are the three types of muscles?
Skeletal muscles, smooth muscles and cardiac muscles
How much square footage of skin does the average adult have?
21 square feet of skin.
Can you survive without a stomach?
Yes by removing the stomach and by connecting the esophagus to the intestines.
How many watts of power does the brain generate?
28 watts roughly
On average how many times do our eyes blink in a year?
4,200,000 times a year
What is the fastest muscle in the human body?
The eyes are your fastest muscle hence the phrase “in the blink of an eye”
Your skin is the largest organ in the body, true or false?
True
What type of acid is stomach acid?
Your stomach contains hydrochloric acid.
How far do successful brain surgeries go back?
The Stone Age
Approximately how many colors can the human eye differentiate between?
10 million colors.
How many muscles are in the human body?
The human body features more than 600 muscles
Where are the thickest and thinnest parts of skin found?
The thickest skin is found in your feet and the thinnest part is your eyelids
How does the stomach play a large role in your immune system?
The stomach kills off lots of bacteria and food toxins of what you eat.
Can the brain feel pain?
The brain cannot feel pain. It interprets pain signals but cannot feel them.
What is the name for the phobia of eyes?
Ommetaphobia
What makes up the three types of muscles?
Skeletal muscles are the only muscles that can be concisely controlled, are attached to the bone and control actions like chewing, movement and writing. Smooth muscles are the muscles lining your blood vessels and organs, they are the weakest muscle and help move things along the digestive tract and maintain blood circulation. Lastly cardiac muscles are only in the heart, are the muscles behind heart beat and act involuntary.
What are the two types of skin?
hairy and glabrous - skin like your palms and feet that don’t have hair.
The stomach features how many layers of muscle and why is it unique for this?
The stomach features 3 layers of muscles and is the only organ to do so.