When you think about it, your organs do some pretty amazing stuff. For starters, they help you breathe and think every single day. Your organs also digest all of your favorite foods, whether you're munching on veggies or sipping a fruit smoothie. Needless to say, your organs work very hard. But do you know how they actually work?
Well, thanks to this challenging quiz, you can finally find test your anatomy knowledge. We'll ask you about the functions and roles of different organs. We'll also discuss the ways organs interact with other parts of the body. Last but not least, we'll talk about entire organ systems and how they keep you healthy and well.
If you are nervous about taking this quiz, don't worry. Just liver little and trust your gut! If you get stuck, you can always click the "hint" button. By doing so, you'll get a nudge in the right direction. So, whether you work in the medical field or simply love science, you can be sure that you'll have fun with this quiz. You might even learn something new along the way, too.
Ready to find out if you know how your organs work? Let's get this quiz started.
The hypothalamus is in charge of basic bodily functions. Aside from body temperature, hunger and thirst, it also controls sleep, growth, weight and more. The hypothalamus is small, but important!
Bile is a fluid that helps your small intestine digest lipids like cholesterol, fats and fat-soluble vitamins. The fluid, which is sticky and thick, ranges from dark green to yellow-brown in color.
Your stomach produces a liquid called gastric acid. It's made of sodium chloride, potassium chloride and hydrochloric acid. After this fluid breaks down the food, it moves on to your small intestine.
Your heart pumps blood to various parts of the body. This is super important because blood is rich in nutrients and oxygen! So, when your organs get enough blood, they can work properly and stay healthy.
Your right lung is slightly bigger than your left lung. This because your heart is on the left side of your body, and it takes up a lot of space. So, your left lung is smaller, which gives the heart more room.
The large intestine is also known as the colon or large bowel. When digested material reaches this organ, existing bacteria breaks it down. This becomes waste, which is eventually excreted as stool.
When food and liquid pass through your intestines, the muscles move in a wave-like movement called peristalsis. Your esophagus also uses peristalsis to move food to your stomach.
Yes, you can live without a spleen! Your spleen, which is like a large lymph node, filters the blood. But if you need to have your spleen removed, the liver and lymph nodes can get the job done.
The amygdala controls your emotional reactions. For example, if you have a fear of spiders, you can thank your amygdala! It tells the rest of your brain that something is a threat.
The human heart has four chambers. They're called the right atrium, right ventricle, left atrium and left ventricle. Together, these chambers pump blood throughout the body.
The pancreas is located just behind the stomach. It regulates your levels of blood sugar, which is also known as blood glucose. This organ also secretes digestive enzymes into the small intestine.
The liver makes bile, which is stored by the gallbladder. It also filters blood and removes toxins as your body processes food and medicine. But when it comes to taking in oxygen, your lungs are the organs for the job.
Your lungs have approximately 600 million tiny air sacs called alveoli. They're in charge of letting oxygen pass into your blood, which then brings oxygen to different parts of your body.
The respiratory system helps you breathe. With every breath, it takes in oxygen and gets rid of carbon dioxide. This is important because your entire body needs oxygen to function.
From thinking to feeling, your brain controls everything you do and say. It's also responsible for memory, movement and decision making. Luckily, it's protected by a thick skull.
The kidneys are bean-shaped organs that are part of the excretory system. They filter the blood and remove toxins, which eventually become urine. This helps the body maintain fluid balance.
The microbial community in your intestines is called gut flora or gut microbiota. These "good" bacteria help digestion, control metabolism and work with your immune system to keep you healthy.
During gas exchange, your lungs deliver oxygen to the blood. At the same time, your lungs pull out carbon dioxide from your blood. The carbon dioxide leaves your body when you exhale.
Your skin is your largest organ! It also grows the fastest. As an organ that protects your body, skin keeps all of your inside parts in place. It also keeps out harmful germs so you can stay healthy.
Every day, your kidneys filter almost 3 liters of blood about 60 times. As blood passes through, the kidneys pull out waste and excess water, which eventually becomes urine.
In the small intestine, the duodenum secretes a fluid that neutralizes stomach acid. The jejunum absorbs nutrients into the bloodstream, while the ileum absorbs bile acids, vitamin B12 and other remaining nutrients.
When your brain senses fear, it sends signals to your adrenal glands. These glands release adrenaline, which increase your heart rate and send blood to your muscles. This response helps you get away in the face of danger.
The epidermis is basically a barrier. As the outermost layer, it keeps out harmful germs that can cause infection. The inner layers of the skin are called the dermis and hypodermis.
Nephrons are the filtering units of your kidneys. One kidney has about one million nephrons! They filter your blood and make urine, which is sent to your bladder.
The endocrine system consists of glands that produce important hormones. For example, the pineal gland releases melatonin, a hormone that controls your sleep.
When you eat food, most of nutrient absorption takes place in the small intestine. A lot of this happens in the jejunum, the middle section of the small intestine.
Lymph nodes, or lymph glands, are part of the lymphatic system. They support the immune system by filtering foreign substances and cancer cells. You have lymph nodes all throughout your body.
Your eyes are organs that respond to light and pressure. When they absorb light, our brain processes the information and forms visual images. Your eyeballs are able to move because of different eye muscles.
Ovaries are female reproductive organs; there's one on each side of the body. Each month, they make an egg for fertilization. The ovaries also release hormones that regulate the menstrual cycle.
Your nervous system includes your brain, spinal cord and sensory organs (like your skin and eyes). These parts are connected by nerves that send chemical messages in the form of electrical signals.
Testicles are two egg-shaped organs that are responsible for making sperm. They also produce testosterone, the primary male sex hormone. Testicles are also known as testes.
The bladder stores urine until you go to the bathroom to pee. When it's empty, the bladder is about the size of a grapefruit, but it can stretch if needed.
Thanks to your digestive system, your body can break down food and absorb nutrients. It also turns your food into energy, which is essential for basic bodily functions.
Cholesterol gets a bad reputation, but you do need some of it to survive. In fact, it's so important that your liver makes it for you! Your small intestine also makes a small amount.
The liver is a solid organ. However, the stomach, large intestines and heart are like empty bags or tubes. This lets things like food or blood move through.