Brain And Brainstem Overview Question And Answers Question 1. Define the brain and enumerate its major parts. Answer. The brain is that part of the CNS which lies within the cranial cavity (hence it is also called cranial cargo). The brain weighs about 1400 g in males and 1200 g in females. The brain is the highest centre for various sensory and motor functions of the body. … [Read more...] about Brain And Brainstem Overview Question And Answers
Spinal Cord: Functions, Blood Supply, Ascending And Descending Tracts
Spinal Cord Question 1: What is the spinal cord? List its functions. Answer. Spinal cord The spinal cord is a long lower cylindrical part of the central nervous system. It is about 45 cm long and lies in the upper two-thirds of the vertebral canal. It extends from the lower border of the medulla oblongata to the lower border of the L1 vertebra. It encloses the central … [Read more...] about Spinal Cord: Functions, Blood Supply, Ascending And Descending Tracts
Meninges And Cerebrospinal Fluid Question And Answers
Meninges And Cerebrospinal Fluid Question 1: Give a brief account of the meninges. Answer. The brain and spinal cord are enclosed in three protective membranes called meninges. From outwards to inwards these are (1) dura mater, (2) arachnoid mater, and (3) pia mater. The dura mater is mesodermal in origin, while the arachnoid and pia mater are ectodermal in … [Read more...] about Meninges And Cerebrospinal Fluid Question And Answers
Types Of Muscles , Functions, And Common Conditions
Muscles Question 1: What is the muscle? Answer. Muscle: The muscle is a contractile tissue (the muscle cells contain contractile proteins in their cytoplasm) that brings about the movements of the body. During contraction, the muscles shorten and convert the chemical energy into mechanical energy. "Factors influencing success with muscle knowledge: Q&A" Question … [Read more...] about Types Of Muscles , Functions, And Common Conditions
Nervous System Question And Answers
Nervous System Question 1. Define the nervous system and list its functions. Answer. The nervous system is the most complicated, widely investigated, and least understood system of the body. It controls all the other systems of the body. Hence, it is also called the master system of the body. "Factors influencing success with nervous system knowledge: … [Read more...] about Nervous System Question And Answers