3.1 Study the following diagram and answer the questions that follow 3.1.1 B с D 3.1.2 11 3.1.3 Structure of the human brain 3 Briefly explain the need for a nervous system in humans Mention the position and function of the meninges. Give the LETTER and the NAME of the part from the diagram that is responsible for each of the following: (a) Maintaining the body's muscle tone and balance I heart bes (2) (2) (2) 14 The diagram below represents the structure fl 1.4.1 1.4.2 12 Strutture en unkomme 1.4.3 C Name the type of neuro Identify part (a) B (c) A Give the LETTER a​