Human organ and system
An organ is an organ made up of one or more tissues and capable of performing a specific function. That is, there are the same or multiple types of tissue in each organ and that organ can perform certain functions in one corner or another. The branch of biology that deals with body parts is called morphology.And the branch of biology that deals in detail with the internal organs of an organism is called internal organs. Stomach, duodenum, ileum, rectum, heart, liver, pancreas, spleen, lungs, kidneys, testicles, ovaries are the internal organs of the human body.
(a) Digestive system: -
This system is involved in food intake, digestion, digestion and excretion of indigestible food. Digestive system
There are two main parts, namely: alimentary canal and alimentary gland. The oral cavity consists of the oral cavity, the pharynx, the esophagus, the stomach, the duodenum, the ileum, the rectum, and the rectum. The human salivary glands, liver and pancreas act as nutrients. The juice secreted by these glands helps in digestion.
b) Respiratory system: -
The human respiratory system is made up of the nostrils, pharynx, larynx, trachea, bronchi, bronchioles, alveoli and a pair of lungs. This system produces energy in the process of oxidation from the stored food of the human body with the help of oxygen taken from the environment. This energy helps the body in its daily work.
(c) Nervous system: -
This is to receive stimuli from outside and inside the body and to respond accordingly
The work of Tantra. The nervous system is made up of the brain, spinal cord and keratin nerves. There is also another part of the nervous system called the autonomic nervous system. This part of the nervous system controls the involuntary muscle functions of the body
(d) Excretory system: -
Nitrogenous wastes as by-products in the body as a result of various physiological metabolism Is created. These wastes are usually harmful to the body and need to be removed from the body Is. The process of removing these unnecessary wastes from the body is called excretion process.The mechanism by which the excretory process is performed is called excretory system. A pair of kidneys, a pair The human urethra consists of a ureter, a bladder.
e) Reproductive system:-
In order to protect the species from extinction, this system creates new generations with its own characteristics The target produces gametes (i.e. sperm and eggs). It is made up of the embryonic and fetal organs. The animal reproduces through the reproductive system, usually in adulthood. Thus the flow of species continues through reproduction. Humans are unisexual animals. The male reproductive system is present in the male body and the female reproductive system is present in the female body.
(f) Dermatology:-
The covering that covers the outside of the body is called the skin. Something small This small glandular skin covers the body, protects it from external injuries and bacterial attacks. It also preserves the aqueous part of the body inside the body.
(g) Endocrine glands:-
How many ductless or endocrine glands are there in animals? Harmony the juice secreted from these glands Says. It does not have a specific conduit in the corner for transportation. From one place only through blood Transports hormones to other places. Pituitary, thyroid, parathyroid, pancreatic islets Of the Langerhans, suprarenal, etc.
