A head is the part of an organism which usually includes the ears, brain, forehead, cheeks, chin, eyes, nose, and mouth , each of which aid in various sensory functions such as sight, hearing, smell, and taste, respectively.
Is the head the most important part of the body?
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 is the human head?
Head, in human anatomy, the upper portion of the body , consisting of the skull with its coverings and contents, including the lower jaw. ... The term also is used to describe the anterior or fore part of animals other than humans.
What is the human head made of?
The human skull is generally considered to consist of twenty-two bones—eight cranial bones and fourteen facial skeleton bones . In the neurocranium these are the occipital bone, two temporal bones, two parietal bones, the sphenoid, ethmoid and frontal bones.
Which part of the head is important?
The human head is home to all the body’s major sensory organs, and the most important of these is the brain .
What is the function of our head?
Function. The head contains sensory organs: two eyes, two ears, a nose and tongue inside of the mouth. It also houses the brain. Together, these organs function as a processing center for the body by relaying sensory information to the brain .
Why do we have heads?
In bilaterally symmetrical animals, nervous tissues concentrate at the anterior region, forming structures responsible for information processing. Through biological evolution, sense organs and feeding structures also concentrate into the anterior region ; these collectively form the head.
What is the most useless body part?
The appendix may be the most commonly known useless organ.
What is the smallest organ in the head?
The pineal gland is located in the epithalamus, near the centre of the brain, between the two hemispheres, which is tucked in a groove where the two halves of the thalamus join. The pituitary gland, or hypophysis, is an endocrine gland, which is about the size of a pea.
What is the most unknown organ?
- The Lacrimal Punctum.
- Jacobson’s Organ.
- The Mesentery.
- The Philtrum.
- The Auricular Muscles.
- The Palmaris Longus.
- Dua’s Layer.
- The Arrector Pili (Or “Goose Bumps” Muscle)
Is 7 inches a long face?
Is 7 inches a long face? 7 inches isn’t that long of a face but it isn’t extremely small either. 7 inches is about 18 centimeters which some people’s faces are 21 centimeters which is a little longer than 8 inches. ...
What is considered a big head?
What is considered a big head? Is a size 8 hat big? The average size male head is 22′′ 1/2 and the average size woman head is 21′′ 3/4. ... In the hat world, head sizes over 23′′ 3/8 would be considered a big head.
What is the average head size for a woman?
The average head size for women is 7 1 ⁄ 4 (U.S. sizing). Of course, head sizes and shapes can also differ from country to country.
Why is skull so hard and strong?
The skull is so hard and strong so that the brain is protected and it causes no harm ..
How heavy is a human skull?
Believe it or not, the average human head weighs around 5kg or 11lbs . That’s more than most new-born babies and all that is balanced on just 7 vertebrae in your neck and supported by around 20 muscles that are responsible for moving your head around and keeping that weight in place.
What is the thing in your neck called?
The neck is the start of the spinal column and spinal cord. The spinal column contains about two dozen inter-connected, oddly shaped, bony segments, called vertebrae. The neck contains seven of these, known as the cervical vertebrae . They are the smallest and uppermost vertebrae in the body.
