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. The longest muscle is the sartorius muscle in the thigh.
What is the heaviest organ in the human body?
Taking away the “in” modifier, the skin is the body’s heaviest organ, with a mass of 4-5 kg, and a total surface area of about 1.2-2.2 m2. The skin is composed of two layers, the epidermis and the dermis.
Which is heavier brain or heart?
The brain of an average adult human weighs 1300 to 1400 grams. The heart weighs 300 grams. The liver weighs 1500 grams.
Which is the lightest organ in human body?
The lightest organ in the human body is the lung.
Is skin the heaviest organ?
Skin is our largest organ—adults carry some 8 pounds (3.6 kilograms) and 22 square feet (2 square meters) of it. This fleshy covering does a lot more than make us look presentable.
What is the most useless body part?
The 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.
What is the heaviest thing in the universe?
So massive stars become neutron stars – the heaviest things in the universe – and even more massive stars become black holes.
Can you live without brain?
Since it controls vital functions such as breathing, swallowing, digestion, eye movement and heartbeat, there can be no life without it. But the rest of the brain is obviously capable of some remarkable feats, with one part able to compensate for deficiencies in another.
Does the heart or brain die first?
Brain function does not die immediately after the heart stops finds study. According to new research, people can be aware that they are dead after their heart has stopped beating. This suggests that the brain and consciousness seems to work even after the body has stopped working.
Which organ of the body works 24 hours?
Brains can work 24 hours a day with no rest.
What is the smallest organ in the body?
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.
Which is the smallest bone in human body?
The stapes is the smallest bone in the human body.
What are the 12 organs of the 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.
14 нояб. 2018 г.
Is human skin waterproof?
Skin is a waterproof, flexible, but tough protective covering for your body. Normally the surface is smooth, punctuated only with hair and pores for sweat. A cross-section of skin shows the major parts.