Skip to main content

Structure and function of human brain

Structure of Human Brain

Human brain is well protected in a cranium cavity, in a skull. The Human brain has 3 membranes called Meninges. The space between the 3 membranes is filled with the fluid called Cerebro-spinal fluid which protects the brain from mechanical shocks.

Brain is divided into three regions
1. Fore Brain:- It is further divided into 3 parts
Cerebrum:- It is the main thinking part of the brain. It is the center of intelligence, Memory, consciousness, willing power and voluntary actions.
Thalamus:- It relays pain and pressure impulses to the cerebrum.
• Hypothalamus:- It controls body temperature and secretion of Pituitary gland.

2. Mid Brain:- It doesn't have any further divisions. It controls reflex movements.

3. Hind Brain:- It has 3 regions

• Cerebellum:-It balances body.

• Pons Verolii:-It connects cerebrum with cerebrum, and transfer messages in between them.

• Medulla:-It controls involuntary activities of body e.g breathing, heart beating etc. Any injury in this part can lead to the death.

Comments

Popular posts from this blog

Male reproductive system

Reproduction In Human Beings Reproduction:- It is the biological process in which organisms give offspring for the continuity of race. A complete system is concerned to perform this function called reproductive system. Here we are going to discuss sexual reproduction in Human Beings. As we human beings are diocious i.e male and female sexes are separate Male reproductive system in Human Beings. Testis:- These are the primary sex organs of males, testis produce male sex cells (sperms) as well as male sex hormone testosterone. Testis lie out side the body between the lungs in a muscular pouch called Scrotum.Scrotum maintains the temperature of testis which is below 3℃ than body temperature. Testis are two in number. Alongside the testicles are the  epididymis   and the  vas deferens.  which make up the duct system of the male reproductive organs. The vas deferens is a muscular tube that passes upward alongside the testicles and transports the sperm-...

Structure and function of Neuron

Neurons (nerve cells) are the functional units of the nervous system.  A typical neuron is divided into three parts i.e Cell body or Soma,Some contains all the cell organelles like Nucleus, Mitochondria etc. Dendrites and Axon. Schwann cells of Axon are covered by Myelin Sheath. Dendrites are branched like structures on Soma. Axon terminal is also branched like structure. The signals are received from neuron by dendrites and are send to next neuron bye chemo-electrical impulses through axon. The junction between the two cells is known as Synapses.In neuron signal travels in the form of chemicals but at synapses in changes in to electrical impulses.