It should be remembered that unlike animals, man can himself considerably change his external environment.

Man's brain is the material basis of thinking and speech.

I. Pavlov demonstrated that man's so-called psychic activity is based on physiological processes operating in the cerebral cortex.

Note:

¹ as I. Pavlov put it - як сформулював І. Павлов

Exercise 2. Make up a plan of the text.

Exercise 3. Find sentences about the nervous system.

Exercise 4. Tell about the unity of the human body and the external environment. Exercise 5. Speak about the role of the nervous system.

UNIT TWENTY

I	Speaking	Nervous System (Part II)
II	Grammar	Translation of Gerundial Complexes
III	Independent Work	This Is Incredibly Lovely

I. Speaking: Nervous System (Part II)

After careful study of this unit you should be able to:

• explain the location, structure and functions of the spinal cord;

• describe and name the spinal nerves and three of their main plexuses;

• describe the main parts of a reflex act;

• compare the location and functions of the two parts of the autonomic nervous system;

• list disorders of the nervous system.

Exercise 1. Read and learn the following English words and their equivalents.

English	Latin/Greek	Ukrainian
autonomic [.oits'nnmik]	autonomicus	автономний
central	centralis	центральний
peripheral [ps'rifsrsl]	periphericus	периферичний
sympathetic	sympathetic us	симпатичний
parasympathetic	parasympatheticus	парасимпатичний
spinal cord	medulla spinalis/myelo-	спинний мозок
arc [a:k]	arcus	дуга
reflex	reflexus	рефлекс
neuritis [,njo'raitis]	neuritis	враження периферичного нерва, неврит
herpes zoster	herpes zoster	оперізуючий лишай
poliomyelitis	poliomyelitis	поліомієліт (хвороба Гейне- Медіна)
crisis ['kraisis]	crisis	криза
posterior [prjs'tisris]	posterior	задній
anterior [een'tisris]	anterior	передній
paraplegia [,раггз'р1і:с!зз]	paraplegia	повна відсутність довільних рухів, параплегія

Exercise 2. Read and translate the texts, get ready to answer the questions about:

• the location of the spinal cord;

• the structure of the spinal cord;

• the functions of the spinal cord; -the reflex arc;

• the disorders of the spinal cord;

• the location of the spinal nerves;