What Are The 12 Organs Of The Body?

What 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.

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

How heavy is the human brain?

In terms of weight, the average adult human brain weighs in at 1300 to 1400 grams or around 3 pounds. In terms of length, the average brain is around 15 centimeters long. For comparison, a newborn human baby’s brain weighs approximately 350 to 400 grams or three-quarters of a pound.

Which organs can you live without?

Seven body organs you can live withoutSpleen. 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 fastest thing in the human body?

The eye: the fastest muscle in the human body.

What are the top 10 body organs?

Top 10: What are the heaviest organs in the human body?Brain. Brain © iStock. … Lungs. Lung © iStock. … Heart. Heart © iStock. … Kidneys. Kidneys © iStock. Average weight: 260g (pair) … Spleen. Spleen © iStock. Average weight: 175g. … Pancreas. Pancreas © iStock. Average weight: 70g. … Thyroid. Thyroid © iStock. Average weight: 20g. … Prostate gland. Prostate gland © iStock. Average weight: 11g.More items…

What is the heaviest organ in the human body?

skinThe heaviest organ is the skin. This makes sense as the skin is also the largest organ of the human body. With an average weight of about 4.5kg or…

What are the 11 systems in the human body?

The main systems of the human body are:Circulatory system: … Digestive system and Excretory system: … Endocrine system: … Integumentary system / Exocrine system: … Immune system and lymphatic system: … Muscular system: … Nervous system: … Renal system and Urinary system.More items…

What is the most useless body part?

appendixThe appendix may be the most commonly known useless organ.

What is the 2nd largest organ?

The skin of an average adult has a surface area of over 21 square feet and accounts for 6% to 10% of your body weight, edging out the liver, your body’s second-largest organ, which accounts for approximately 2.5% of your body weight.

What is the 3rd largest organ in the body?

Your lungs are the third largest organs in your body.Together, your lungs weigh approximately 2.2 pounds or about 1 kilogram.They’re about 9.4 inches or 24 centimeters in height during normal breathing.

What are the organs of the body?

Vital Organs The human body contains five organs that are considered vital for survival. They are the heart, brain, kidneys, liver, and lungs. The locations of these five organs and several other internal organs are shown in the figure below.

What are the 7 organs?

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 most important organ in the human body?

I have a question for every body reading this. … While your heart is a vital organ, the brain and of course the nervous system that attaches to your brain make up the most critical organ system in the human body. The human nervous system is responsible for coordinating every movement or action your body takes.

What are the five organs of the 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 are the 12 organs in the human body?

Some of the easily recognisable internal organs and their associated functions are:The brain. The brain is the control centre of the nervous system and is located within the skull. … The lungs. … The liver. … The bladder. … The kidneys. … The heart. … The stomach. … The intestines.

What’s the strongest muscle in your 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. The uterus sits in the lower pelvic region.

What organs do humans not need?

Vestigial organs are parts of the body that once had a function but are now more-or-less useless. Probably the most famous example is the appendix, though it is now an open question whether the appendix is really vestigial.

What are the 3 most important organs?

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.