Question: What Is The Most Important Organ In The Body?

Which body part is only found on humans?

Found only in humans, the hyoid bone is the only bone in the body that is not connected to any other, and is the foundation of speech.

This horseshoe-shaped bone in the throat is situated between the chin and the thyroid cartilage..

What gives life to the human body?

To sustain human life, certain physiological needs include air, water, food, shelter, sanitation, touch, sleep and personal space.

What is inside your brain?

Slicing down the center of the brain reveals its main parts: the cerebrum, the cerebellum, and the brain stem. … The large, wrinkly cerebrum is the most powerful part of your brain, responsible for all your conscious actions, speech, and feelings.

How much blood is in the human body?

adult will have approximately 1.2-1.5 gallons (or 10 units) of blood in their body. Blood is approximately 10% of an adult’s weight.

What is the 2nd largest organ?

liverThe liver is considered to be the second-largest organ in the human body.

What’s the heaviest organ in the human body?

liverThe largest solid internal organ is your liver. It weighs approximately 3–3.5 pounds or 1.36–1.59 kilograms and is about the size of a football. Your liver is located beneath your rib cage and lungs, in the upper right area of your abdomen.

What is the longest thing in your body?

HumansThe longest bone in the human body is the femur.The largest artery is the aorta and the largest vein is the inferior vena cava.The largest internal organ (by mass) is the liver, with an average of 1.6 kilograms (3.5 pounds).The largest external organ, which is also the largest organ in general, is the skin.More items…

What’s inside a human body?

The most basic unit is the cell; groups of similar cells form tissues; groups of different tissues make up organs; groups of organs form organ systems; cells, tissues, organs, and organ systems combine to form a multicellular organism.

What are the top 10 body organs?

Top 10: What are the heaviest organs in the human body?Liver. Liver © iStock. … Brain. Brain © iStock. Average weight: 1,500g. … Lungs. Lung © iStock. Average weight: 1,300g. … Heart. Heart © iStock. Average weight: 300g. … Kidneys. Kidneys © iStock. Average weight: 260g (pair) … Spleen. Spleen © iStock. Average weight: 175g. … Pancreas. Pancreas © iStock. Average weight: 70g. … Thyroid.More items…

What body part can you not live without?

You can still have a fairly normal life without one of your lungs, a kidney, your spleen, appendix, gall bladder, adenoids, tonsils, plus some of your lymph nodes, the fibula bones from each leg and six of your ribs.

What are the 12 organs of the body?

They are the integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive, urinary, and reproductive systems. Only the reproductive system varies significantly between males and females.

What are the 5 most important organs in the human body?

Humans have five vital organs that are essential for survival. These are the brain, heart, kidneys, liver and lungs. The human brain is the body’s control center, receiving and sending signals to other organs through the nervous system and through secreted hormones.

What is the least important organ in your body?

Here are some of the “non-vital organs”.Spleen. This organ sits on the left side of the abdomen, towards the back under the ribs. … Stomach. … Reproductive organs. … Colon. … Gallbladder. … Appendix. … Kidneys.

What are the two most important organs in the human body?

Vital organsBrain. The brain is the body’s control center. … Liver. The liver is the most important organ of the metabolic system. … Kidneys. The kidneys are a pair of bean shaped organs, and each is about the size of a fist.

Which is the smallest organ?

What’s the smallest organ in the human body? You’ll find the pineal gland near the center of the brain, in a groove between the hemispheres.