The human body is an amazing machine that is constantly working to keep us alive and healthy. Every day, our bodies perform countless functions without us even realizing it. From keeping our hearts beating to digesting our food, our bodies are always working hard to keep us alive and healthy.
There are many things we can do to keep our bodies healthy and functioning properly. Eating a healthy diet and getting plenty of exercise are two of the most important things we can do for our health. Getting regular checkups and screenings are also important in order to catch any problems early. By taking care of our bodies, we can live long and healthy lives.
You may know what goes into your body every day. But do you know what's going on inside your body? Take this science quiz to find out if your knowledge about health and the human body is up to speed.
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If You Can Get 15 on This Quiz on Your First Try, You Definitely Know a Lot About Human Body Questions
True or false: Eating hot sauce regularly causes stomach cancer.
True
False
The small intestine is part of which organ system in the human body?
Nervous system
Lymphatic system
Skeletal system
Digestive system
True or false: Human facial hair grows faster than any other hair on the body.
True
False
What is the largest organ of the human body?
Ribcage
Skin
Liver
Heart
How many cells are in the human body?
37 trillion
15 billion
100 billion
1 trillion
True or false: You can do eye exercises to improve your vision.
False
True
True or false: The "Lumbar Curve" is located in the leg on the human body.
False
True
What is another word for the shoulder blade in the human body?
Femur
Phalange
Humerus
Scapula
The presence of lycopene is one of this fruit's biggest benefits. Which of these fruits helps battle cancer and heart disease?
Jicama
Tomato
Onion
Radish
What is the proper term for vomiting blood?
Hemocoel
Hemacytometer
Hemocyanin
Hematemesis
Here's the halfway point! Exposure to sunlight helps a person improve their health because...
The ultraviolet rays convert skin oil into vitamin D
The infrared light kills bacteria in the body
The pigment cells in the skin get stimulated and produce a healthy tan
What is the largest bone in the human body?
Tarsal
Fibula
Scapula
Femur
A tiny wonder, this food is one of the most nutrient-dense on the planet. It's also been noted for helping people lose weight. Which food are we talking about?
Chia seeds
Snow peas
Sprinkles
Sunflower seeds
Want shinier hair and clearer skin? Consider adding this fruit to your diet.
Lime
Apple
Mango
Strawberry
What invertebrate was (and still occasionally is) applied to the human body as part of medical treatment for disease?
Snails
Leeches
Hook worms
Sea anemone
True or false: If you are impaled by something, you shouldn't pull it out of your body yourself.
True
False
True or false: Milk is essential to your health.
True
False
True or false: The human body has four lungs.
True
False
What happens to your brain when you sleep?
Parts of the nervous system switch on, creating a sequence of healing cycles.
It slows down so much that your thoughts become barely perceptible.
Your mind wanders, free of constraints. It's why dreams can be so strange.
It powers off — you're out like a light.
Last one: what does the endocrine system do in the human body?
It's made up of glands that produce and secrete hormones.
It's made up of nerve cells that transmit electrical signals around the body.
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