Quick Answer: Is The Heart The Most Important Organ In The Body?

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 is 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 strongest muscle in the human body?

masseterThe strongest muscle based on its weight is the masseter. With all muscles of the jaw working together it can close the teeth with a force as great as 55 pounds (25 kilograms) on the incisors or 200 pounds (90.7 kilograms) on the molars.

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.

Can you live without a liver?

The liver performs essential, life-sustaining functions. While you can’t live without a liver completely, you can live with only part of one. Many people can function well with just under half of their liver. Your liver can also grow back to full size within a matter of months.

What is the most important organ in the body?

Anatomy & Function The brain is arguably the most important organ in the human body. It controls and coordinates actions and reactions, allows us to think and feel, and enables us to have memories and feelings—all the things that make us human.

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

Vital Organs The human body contains five organs that are considered vital for survival. They are the heart, brain, kidneys, liver, and lungs.

What is the smallest organ in your body?

pineal glandWhat’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. It’s not an organ like those in the abdominal cavity.

What organs can you live without?

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 is the weakest muscle in the body?

The stapedius is the smallest skeletal muscle in the human body. At just over one millimeter in length, its purpose is to stabilize the smallest bone in the body, the stapes….Stapedius muscle.StapediusTA98A15.3.02.062TA22103FMA49027Anatomical terms of muscle11 more rows

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 is the hardest working organ in your body?

HeartHeart. Every cell in the body depends on this muscle, the body’s hardest-working organ.

Which organ is more important heart or brain?

The heart on the other hand is a much simpler organ. Its complexity pretty much pales in comparison to the brain. … Well, technically speaking, your body can still be alive without a brain. On the other hand, it’s pretty difficult for your body to be alive without a heart.

What is the most useless body part?

appendixThe appendix may be the most commonly known useless organ. While plant-eating vertebrates still rely on their appendix to help process plants, the organ is not part of the human digestive system.

Can you live without your heart?

A device called the Total Artificial Heart helps some of the sickest heart-failure patients regain function — outside of the hospital — while awaiting a transplant.

What organ is the fattest?

brainYour brain also contains cells, nerve fibers, arteries, and arterioles. It also contains fat and is the fattiest organ in the body — nearly 60 percent fat.

What is the most important bone in your body?

Your skull protects the most important part of all, the brain. You can feel your skull by pushing on your head, especially in the back a few inches above your neck.

How long can you live without your heart?

Man lives 555 days without a heart.

What are the two 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.

Which is superior heart or brain?

“The heart is the most powerful generator of electromagnetic energy in the human body, producing the largest rhythmic electromagnetic field of any of the body’s organs. The heart’s electrical field is about 60 times greater in amplitude than the electrical activity generated by the brain.