The nervous system is an organ system containing a network of specialized cells called neurons that coordinate the actions of an animal and transmit signals between different parts of its body. The nervous system in humans consists of three parts, central nervous system, peripheral nervous system and automatic nervous system.
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Sunday, December 3, 2017
Circulatory System
• The circulatory system is an organ system that passes nutrients (such as amino acids, electrolytes and lymph), gases, hormones, blood cells, etc. to and from cells in the body. The circulatory system help fight diseases, stabilize body temperature and pH, and to maintain homeostasis.
• The discovery of blood circulation or blood flow was done by William Harvey in 1628.
Major organ systems
• Circulatory system: pumping and channeling blood to and from the body and lungs with heart, blood, and blood vessels.
• Digestive System: digestion and processing food with salivary glands, esophagus, stomach, liver, gallbladder, pancreas, intestines, rectum, and anus.
• Endocannabinoid system: neuromodulatory lipids and receptors involved in a variety of physiological processes including appetite, pain-sensation, mood, motor learning, synaptic plasticity, and memory.
• Digestive System: digestion and processing food with salivary glands, esophagus, stomach, liver, gallbladder, pancreas, intestines, rectum, and anus.
• Endocannabinoid system: neuromodulatory lipids and receptors involved in a variety of physiological processes including appetite, pain-sensation, mood, motor learning, synaptic plasticity, and memory.
Human Blood
• Human blood is the fluid circulated by the heart through the human vascular system.
• There are three cellular components of human blood: red blood cells (r.b.c.), white blood cells (w.b.c.), and platelets.
Introduction to Zoology
Zoology – The systematic study of the structure, form and distribution of animals is called Zoology.
The animal kingdom can be classified over two sub groups – 1. Unicellular animal; and 2. Multi-cellular animal.
The animal kingdom can be classified over two sub groups – 1. Unicellular animal; and 2. Multi-cellular animal.
Famous Quotes
Poverty is the parents of revolution and crime.
- Aristotle
He who wishes to secure the good of others has already secured his own.
- Confucius
Sacrifice that causes pain is no sacrifice at all. True sacrifice is joy-giving and uplifting.
- Mahatma Gandhi
- Aristotle
He who wishes to secure the good of others has already secured his own.
- Confucius
Sacrifice that causes pain is no sacrifice at all. True sacrifice is joy-giving and uplifting.
- Mahatma Gandhi
Rise of Magadha Empire (6th Century – 4th Century BC)
Magadha Empire ruled over districts of Patna, Gaya, some parts of Shahabad and grew further to turn into a state. The Magadha Empire had gone hand to hand and attained remarkable success. Various dynasties came into existence. A brief discussion follows here.
Haryanka Dynasty: This dynasty was founded in 566 BC by the grand father of Bimbsara. According to Buddha literature Bimbasara conquered Anga state to set trade route with southern states. The Anga is now in East Bihar Region.
Haryanka Dynasty: This dynasty was founded in 566 BC by the grand father of Bimbsara. According to Buddha literature Bimbasara conquered Anga state to set trade route with southern states. The Anga is now in East Bihar Region.
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