Question

put a tick marks against the correct alternative in the following statement:

a) medulla oblongata
i) smelling
ii) Beating of heart and respiratory movement
iii) Intelligence and will power
iv) Balancing of the body

b) Balance of the body is controlled by
i) Spinal cord
ii)Cerebellum
iii) Cerebrum
iv) Medulla

c) The smell of good food causes watering of your mouth.It is
i) Natural reflex
ii) Acquired reflex
iii) Inborn reflex
iv) Ordinary reflex

d) The structural and functional unit of nervous system is
i) Axon
ii) Nephron
iii) Neuron
iv) Dendron
​

Answer 1

Answer:

a.4,b.2,c.1,d.1

Explanation:

hope it helps

please mark me the brainliest

Answer 2

Answer:

the answer is a) ii) beating of heart and respiratory movement.

b) ii) cerebellum

c) ii) acquired reflex

d) iii) neuron

Explanation:-

• a) Medulla oblongata has centres for respiration, cardiovascular system and gastric secretions. Medulla of the brain is connected to spinal cord. Medulla,pons,midbrain forms the brain stem (brain stem is the connection between brain and spinal cord).
• b) Cerebellum is responsible for balancing of the body and it helps in coordination of voluntary muscles through involuntary region. Cerebrum forms the major part of the brain and is centre of consciousness,will power, knowledge etc.
• c) Natural reflex is the reflex which we have from the birth and is not learned by experience . example sneezing,closing of eyes on seeing too bright light. Acquired reflex are those we have acquired during the life time and in which previous experience is required. For example immediate removal of hands on touching something very hot, watering of mouth on seeing the good food that we have eaten earlier.
• d) Neuron or nerve cell is the longest cell in the body and is the structural and functional unit of nervous system.