information on balance and head position Reproduction is of two types, i.e., asexual and
to the brain. sexual.
The eustachian (auditory) tube drains
fluid from the middle ear into the throat 1. Asexual reproduction is reproduction
(pharynx) behind the nose. without sex. In this form of reproduction,
a single organism or cell makes a copy of
Nose itself. It produces offspring genetically
identical to their parent.
It is the body"s organ of smell and also
functions as part of the body"s respiratory Fission asexual reproduction: Amoeba,
system. bacteria, flatworm etc.
The shape of the nose is determined by the
Budding asexual reproduction : Hydra,
nasal bones and the nasal cartilages,
yeast and sponge
including the septal cartilage (which
separates the nostrils) and the upper and 2. Sexual reproduction is the creation of a
lower lateral cartilages. new organism by combining the genetic
The nose has two holes called nostrils. material of two organisms. It typically
The nostrils and the nasal passages are requires the involvement of two
separated by a wall called the septum. individuals or gametes, one from each
Deep inside your nose, close to your skull, opposite type of sex.
your septum is made of very thin pieces of
bone. Syngamy sexual reproduction : Cockroach,
Closer to the tip of your nose, the septum frog and human being.
is made of cartilage, which is flexible
Male Reproductive System
material that"s firmer than skin or muscle.
It"s not as hard as bone, and if you push on
the tip of your nose, you can feel how
wiggly it is.
Behind your nose, in the middle of your
face, is a space called the nasal cavity. It
connects with the back of the throat. The
nasal cavity is separated from the inside of
your mouth by the palate (roof of your
It includes the scrotum, testes, spermatic
Tongue and Skin ducts, sex glands, and penis. These organs
work together to produce sperm, the male
Tongue is described in DIGESTIVE gamete, and the other components of
Skin is described in INTEGUMENTARY These organs also work together to deliver
SYSTEM semen out of the body and into the vagina
where it can fertilize egg cells to produce
REPRODUCTIVE SYSTEM offspring.
The process by which new individuals are Male can produce sperm (spermatozoa)
produced from their parents is called through their life from age of 13-14 years.
reproduction and the organs which are used for
this process, collectively constitute the