WRITE A DETAILED NOTE ON BRAIN WHICH IS OUR CENTRAL NERVOUS SYSTEM
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✦✦✦BRAIN ✦✦✦ ★ IN ANIMALS, ALL LIFE ACTIVITIES ARE UNDER THE CONTROL OF BRAIN. CRANIUM; ★ BRAIN IS SITUATED INSIDE A BONY CRANIUM (PART OF SKULL) . MENINGES; ★ INSIDE CRANIUM, BRAIN IS COVERED BY THREE LAYERS CALLED MENINGES. FUNCTION OF MENINGES; ★ MENINGES PROTECT BRAIN AND ALSO PROVIDE NUTRIENTS AND OXYGEN TO BRAIN TISSUE THROUGH THEIR CAPILLARIES. FLUID-FILLED VENTRICLES; ★ THE BRAIN CONTAINS FLUID-FILLED VENTRICLES THAT ARE CONTINUOUS WITH THE CENTRAL CANAL OF SPINAL CORD. CEREBROSPINAL FLUID; ★ FLUID WITHIN VENTRICLES AND CENTRAL CANAL IS CALLED CEREBROSPINAL FLUID (CSF) . DIVISIONS OF BRAIN; THE BRAIN CAN BE DIVIDED INTO; ★ FOREBRAIN ★ MIDBRAIN ★ HINDBRAIN FURTHER DIVISION OF FOREBRAIN; FOREBRAIN IS FURTHER DIVIDED INTO THREE FUNCTIONAL PARTS THE ★ THALAMUS, ★ THE LIMBIC SYSTEM ★ THE CEREBRUM. THALAMUS; ★ THALAMUS CARRIES SENSORY INFORMATION TO THE LIMBIC SYSTEM AND CEREBRUM. THE INFOR...