|How many cells in an adult human?
Over 50 trillion
What are the only cells without a nucleus?
Red blood cells
What are the longest cells in the body?
What is the longest, strongest bone in the body?
Where is 99% of the bodys calcium?
Bones and teeth
What is the hardest material in the body?
What is the bodys largest joint?
What is the bodys largest muscle?
How many new white blood cells are made every day?
What does trabeculae mean?
How many bones in the skull?
Does the human neck have the same number of vertebrae as a giraffe?
Approximately how much of your body weight is muscle?
How fast can nerve impulses travel?
Up to 250 mph
Approximately how many scalp hairs fall out daily?
T or F: The outer surface of each hair is coated with dead cells to protect the hair?
What is the longest nerve in the body?
Nerves that interweave together are referred to as:
What does the left side of the brain control?
Logic and speech
What does the right side of the brain control?
How many brain cells can one brain cell communicate with?
What does vagus mean (as in vagus nerve)?
How long is the spinal cord in most adults?
How much skin does the body shed in an average lifetime?
How many taste buds are there on your tongue?
How many odors can the sense of smell detect?
How many different tones can you detect?
How many times do you blink in a minute?
How many miles of blood vessels does the human body have?
How many gallons of blood does the heart pump a day?
What is the largest artery in the body?
Do the atria and ventricles of the heart hold the same volume of blood?
Another name for a red blood cell is?
Another name for a white blood cell is?
What are the four main blood groups?
What does a macrophage mean?
What is the super human hormone?
What gland is often referred to as the Master Gland?
What is a hiccup?
The diaphragm contracting rapidly
How much air can adult lungs hold?
About 3 liters
What are the 12 pairs of nerves attached to the brain?
What is a protein that speeds up a chemical reaction?
What is the soft inner part of long bones, where blood cells are made called?
Where do oxidative energy producing chemical reactions take place?
T or F: The average foot walks more than a thousand miles a year.
What percent of your body is water?
How long does it take for blood to circulate through the body?
What is the longest muscle in the body?
How many years does it take the cell structure of the skeleton to completely rejuvenate itself?
What is the only joint of the body with 360 degrees of rotation?
What is the single most preventable cause of death?
Is it better to go to bed at the same time nightly or wake up at the same time each morning?
Most experts recommend getting up at the same time each morning.
What is the single most important thing you can do to prevent the transmission of infectious organisms?
Wash your hands.