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 smallest part of the body?
The stapes is the smallest and lightest bone in the human body, and is so-called because of its resemblance to a stirrup (Latin: Stapes).
|Anatomical terms of bone|
What are the main parts of which is the largest cell in human body?
The human egg (ovum) is the largest cell in the body and a nerve cell is the longest cell in the human body.
Why Skin is the largest organ?
Picture of the Skin. The skin is the largest organ of the body, with a total area of about 20 square feet. The skin protects us from microbes and the elements, helps regulate body temperature, and permits the sensations of touch, heat, and cold.
What is the weakest bone in the body?
The weakest bone in your body would be the spine or spinal cord. But the smallest bone in the body is the stapes, one of the tiny three bones in the ear cavity responsible for hearing.
What is the smallest thing in the universe?
Protons and neutrons can be further broken down: they’re both made up of things called “quarks.” As far as we can tell, quarks can’t be broken down into smaller components, making them the smallest things we know of.
Which is biggest cell?
The largest cell is ovum in the human body. The ovum also called egg cell is the reproductive cell in the female body. Ovum is 20 times bigger than the sperm cells and has a diameter of about 0.1 mm.
Which is the longest cell?
– In the human body, the nerve cell is the longest cell. Nerve cells are also called neurons that are found in the nervous system. They can be up to 3 feet long.
What is the biggest cell ever?
Biologists used the world’s largest single-celled organism, an aquatic alga called Caulerpa taxifolia, to study the nature of structure and form in plants. It is a single cell that can grow to a length of six to twelve inches.
Is human skin waterproof?
Skin acts as a waterproof, insulating shield, guarding the body against extremes of temperature, damaging sunlight, and harmful chemicals.
Is Skin your largest organ?
The skin is the largest organ of the body. The skin and its derivatives (hair, nails, sweat and oil glands) make up the integumentary system. One of the main functions of the skin is protection. It protects the body from external factors such as bacteria, chemicals, and temperature.
Is human skin made of dirt?
Sometimes a specific percentage of dust is said to be skin, usually about 70 or 80 percent, but unless you’re a molting bird or reptile (or you work in Dr. Frankenstein’s laboratory), very little of your environment is composed of dead body parts.
What is the most strongest bone in human body?
1. The femur bone is the longest and strongest bone in the body. Located in the thigh, it spans the hip and knee joints and helps maintain upright posture by supporting the skeleton.
What bone is broken most often?
#1 Most Commonly Broken Bone
The clavicle, also known as the collarbone, is the most common bone that is broken. It is located between the shoulder blade and upper ribcage.
What’s the strongest muscle in your body?
The 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.