How Well Do You Know the Systems of the Human Body?


By: Stella Alexander

6 Min Quiz

Image: shutterstock

About This Quiz

Are you nervous?! You shouldn't be, but you better hope your body is! The systems of the human body help keep you alive and functioning, but just how much do you know about them? From your hair, skin, and nails to the kidneys, can you pass this quiz?

In biology and anatomy, one of the most important things you'd learn about is the systems of the human body. Each system has its own function to help the body run smoothly. Things as simple as breathing or moving your arms are controlled by a complicated and complex system in your body. How well do you know these systems?

While some systems are simple to understand, others may be a bit more complex. The system that helps protect the outside of your body might be easy to comprehend, but what about the system that works via nerves, brains, and muscles?

What do you know about the lymphatic system? Do you know which systems aid with blood flow or filtering the blood? Could you name all the organs that make up the reproductive system?

The human body is a very complex thing which is why it needs so many systems to help it function. Can your body help you function long enough to pass this quiz? Let's find out!

We hope you digested all your anatomy knowledge and are ready to use it for this quiz!

How many systems are there in the human body?

There are 11 major systems in the human body. They all work together to keep us alive and functioning, from helping to circulate blood to allowing air into the body.


Which of the following is not one of the 11 systems of the human body?

Abdominal is not one of the major body systems. Your abdomen is just a region of the body that contains organs such as the stomach and intestines.


What is the name of the system that is heavily centered around hormones?

The endocrine system is an important system that includes hormones and glands.


What is the name of the system that helps circulate blood around the body?

The circulatory system is a VERY important system that helps blood circulate through the body.


This system allows the kidneys to filter blood and send the waste out of the body.

The urinary system is responsible for filtering the blood through the kidneys. The products that get filtered out are turned into urine.


This system provides support and protection for the entire body and its organs.

The skeletal system is mostly focused on the bones of the body. They provide support and protection for the organs.


While the skeletal system protects our bodies on the inside, this system protects them on the outside.

The integumentary system is the most visible and obvious of the human body systems. Mostly composed of the skin, this system helps protect the body from damage.


Which of these is not part of the urinary system?

The urinary system uses the kidneys to filter waste from the blood. The waste product, urine, is held in the bladder and is expelled through the urethra.


What is the system of the body that sends impulse and nerve information to the brain to cause the body to react and respond?

The nervous system is probably the most complex system in the human body. This system collects information from the nerves and sends it to the brain. This information is then sent throughout the body, helping it to react and cause movement.


This body system is responsible for human reproduction.

The reproductive system is exactly what it sounds like. It's the system of organs that facilitate in human reproduction.


This body system works in conjunction with the lymphatic system and protects the body from viruses.

The immune system is a very crucial body system that fights off viruses and diseases.


Which is not one of the three major types of blood vessels?

Arteries, capillariess, and veins are the three major blood vessels in the body. Arterioles are a small branch leading into the capillaries from an artery.


The endocrine system is mostly focused on what?

The endocrine gland is responsible for producing and controlling hormones in the body through a series of glands.


In the female reproductive system, what produces the egg?

In the female reproductive system, the ovaries are responsible for producing the eggs or ova. They are then moved to the fallopian tubes which is where fertilization takes place. The fertilized or unfertilized egg would then move into the uterus where it would either begin to develop ​if it's fertilized, or released through a woman's menstrual cycle if not.


Most arteries usually carry what kind of blood?

Arteries are a major blood vessel in the body. They mostly carry oxygenated blood from the heart to the rest of the body. The only exception are the pulmonary (lung) arteries which carry blood to the lungs to get oxygenated.


What are the ducts that carry urine from the kidneys to the bladder?

Once the kidneys filter the body of waste, it is transformed into urine. The urine travels from the kidneys to the bladder via the ureters. It is then expelled from the bladder through the urethra.


This system is responsible for breaking down food and helping it absorb into the body.

The digestive system breaks down the food you eat and helps absorb and distribute nutrients throughout the body.


What lies at the center of the immune system?

White blood cells (or leukocytes) lie at the center of the immune system. They are produced in the bone marrow and help fight off disease and viruses.


Your body is able to move because of this system.

The function of the muscular system is focused solely around movement. Through contracts, the muscular system gives the body the ability to move.


How many bones make up the skeletal system?

The skeletal system is primarily made up of the bones that help support and protect the organs. The 206 bones in the average human body make up most of this system.


Which of these is not one of your white blood cells?

There are five types of white blood cells: monocytes, lymphocytes, neutrophils, basophils, and eosinophils. Erythrocyte is the term for red blood cells.


What system does the muscular system team up with to get the body to move?

The skeletal and muscular systems work together in movement. The muscles contract which in turn causes movement of the skeletal system.


You couldn't breathe on your own without the work of this system.

The respiratory system is focused on breathing. This occurs by allowing oxygen into the body and dispelling carbon dioxide.


The respiratory system is largely focused around which organ?

The lungs are the organ at the center of the respiratory system. They allow oxygen to enter the body through the blood and filter out carbon dioxide through exhalation.


What are nerve cells called?

Neurons are the body's nerve cells. They transmit information to the brain to help control the body.


Which of these is not part of the respiratory system?

Cartilage is not part of the respiratory system. Oxygen travels through the nose, through the trachea (or windpipe), and enters the lungs.


Which of these organs is not part of the digestive system?

The kidneys are not part of the digestive system. The digestive system takes the nutrients from the food we consume and absorbs them into the body. The kidneys are part of the urinary/excretory system.


What is the largest muscle in the body?

The gluteus maximus is the largest muscle in the body. You'll find it in the posterior.


What is the hardest-working muscle in the body?

The heart is said to be the hardest-working muscle in your body. This makes sense since even when you're asleep, your heart is pumping away!


Where in the body would you find the storage of bile?

The gall bladder is an organ that stores the bile produced in the liver. Bile works to break down fats in the stomach.


The largest organ in the body is part of what system?

In general, the skin is the largest organ in the body, while the liver is the largest internal organ. The skin is part of the integumentary system.


The integumentary system excretes what?

Sweating is part of the integumentary/excretory system. When you sweat, you are excreting waste through the skin.


Which of these glands is found in the neck region?

The thyroid gland is one of the major endocrine glands and it is found in the neck. The pineal and pituitary glands are found in the brain, while the adrenal glands are found on the kidneys.


Which part of the male reproductive system produces sperm?

The testes are the part of the male reproductive system responsible for producing sperm. They are held within the scrotum which helps regulate their temperature.


Which system could be said to control all parts of the body?

Since the brain controls all functions, and this IMPORTANT organ is the star of the nervous system, the nervous system can be said to control the entire body.


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