Which part of the body has two holes the nostrils; through the nostrils, it takes the air from our surroundings and passes it to the lungs?

Explanation
The nose has two holes, the nostrils, which take in air from our surroundings and pass it to the lungs through the nasal passages. The nose is responsible for breathing, smelling, and filtering the air we breathe.

Explanation
African elephants have larger ears than Asian elephants. African elephants live in the savannas and need protection from the sun. So their ears are bigger to help them stay cool.

Explanation
Elephants have large ears that help them to control their body temperature.  The ears are made up of thin skin and have many blood vessels close to the surface , which allows them to release excess heat. By flapping their ears , elephants can create a breeze that helps to cool themselves down.

Explanation
The visible part of the ear is called the External Ear  It is also known as the Pinna or Auricle. It is the outer, cartilaginous structure that protrudes from the side of the head and collects sound waves , directing them into the ear canal.

Explanation
The Ear is made up of both internal and external parts. The external part is the visible outer ear. The internal parts include the middle ear and the inner ear. Which contain the cochlea and the vestibular system.

Explanation
The Ear is the body part responsible for hearing and maintaining the body's balance. The ear consists of the outer ear, middle ear, and inner ear.

Explanation
Humans have 20 primary teeth (also known as deciduous or baby teeth). 32 permanent teeth (also known as adult teeth).

Explanation
Incisor teeth are responsible for biting and cutting food into smaller pieces , making it easier to chew and swallow. They are located in the front of the mouth and are designed for cutting and snipping.

Explanation
The Canines are pointed teeth that are adapted for tearing and slashing. They are designed for piercing and tearing flesh , making them ideal for eating meat and other tough foods.

Explanation
Canines , also known as cuspids , are pointed teeth used for ripping and tearing food. They are located on either side of the incisors. It are designed for piercing and tearing flesh, making them ideal for eating meat and other tough foods.