Heart
What is a normal heart rate?
What do your kidneys make?
Urine
What do your lungs absorb from the air?
Oxygen!
How does someone grow their muscles?
Lifting!
Progressive overload, or lifting until you can't anymore, is the best way to build your muscle strength and size
How many lobes are in the brain? (Bonus if you can name them!)
4 lobes: Frontal, parietal, temporal, occipital
What blood pressure is considered hypertensive?
Over 130/90
What do your kidneys filter?
Blood!
True or False: Each of your lungs are the same size
False -- your right lung is larger! Left lung is smaller to accommodate space for your heart
How many muscles are in the human body?
More than 600
True or False: Your brain is more active when you're asleep than when you're awake
True!
This is why you dream at night - your brain is processing emotions, memories, and solving problems
How many chambers are in the heart?
4 chambers
True or False: You need two kidneys
False! You only need one kidney
What is the muscle that allows your lungs to fill?
Diaphragm
What are the types of muscle fibers?
Slow twitch
Fast twitch
What percentage of your body's energy is used by only your brain?
20% - a huge amount!
How much blood circulates throughout your body?
5 liters
How much fluid is filtered by your kidneys in a day?
How does someone increase the amount of air their lungs can hold?
Exercise!
What is the strongest muscle in the body?
Your jaw muscle (masseter) can create up to 200 pounds of crushing force
Which part of your brain is in charge of storing memories?
Hippocampus
How many times does your heart beat per day?
More than 100,000
What medication can be harmful for kidneys?
What causes hiccups?
Spasm of the diaphragm forces air through your vocal cords very quickly, making a high pitched sound
As your muscles grow stronger, what other organ system grows stronger?
Your bone density increases when you lift weights
How do brain cells communicate?
Through electrical impulses