16,17

14

SECTION 2

The nervous system

Rearrange the letters in brackets to form the correct word.

1    The brain and spinał cord form the central nervous system (CNS). (calnetr)

2    The nerves which connect the brain and structures ot the head

are_nerves. (cnalira)

3    An immediate response ot the body to a stimulus is a_

action. (rxfele)

4    Messages are transmitted along nerve fibres by means ot action _. (pnialteto)

5    A stimulus is received by a_. (rtreecpo)

6    The muscle or gland which responds to a stimulus is the _. (etorfecf)

7    Nerve cells are known as_. (nnurseeo)

8    Nerve fibres are connected by a junction or_.

(spsenay)

9    At these junctions, signalling molecules or_are

released. (netrmituoanstersr)

10    Normally nerve cells are divided into three types:_,

motor and_. (synesor), (aumoustnoo)

11    A motor celi consists ot a celi body with_protruding

from it and a long_. (ddsteiner) (oaxn)

12    In the spinał cord, neuronal celi bodies are known as_

_. (rgye teramt)

13    Nerves which supply the body wali, skeletal muscle and skin are _nerves. (sctmoai)

14    A collection ot neuronal celi bodies lying outside the CNS is

called a_. (gnoaling)

15    The internal environment ot the body is controlled by the _nervous system, (amtiuotca)

16    'Fight, fright or flight' is controlled by the_nervous

system, (scmythpaeit)

Impulse is a common term which may be used for action potential.

SECTION 3

Embryo to birth

........i nn ndjective and a noun to complete the sentences below.

Adjectives	Nouns
• iMItlt>tk, birth, breech, dilated,	baby, blood, canal, cervix,
lulluplim, foetal, lanugo,	contractions, cord, fluid, hair,
ii ta 11 11 iii 1, menstrual, multiple,	monitoring, period, position,
piciiinlme, umbilical, uterine	pregnancy, -tubes-

1 IVrtlll/.ation takes place in the faUopian tubes .

I I lic foetus develops within a sac containing__

to protect against injury.

B ()xygen and nutrients are obtained from__

lliiough the placenta.

4¹ Al slxteen weeks the foetus is coyered in fine__

I Vmiix eases the baby's passage down the__.

fl hcgnancy normally lasts forty weeks from the first day of a woman's last__.

7 I hiring labour,__become stronger and morę

regu lar.

M I lnvlng morę than one foetus in the womb is known as a

u A fully__has an opening of about 10 cm.

In A____is when the baby is lying head upwards

belore delivery.

I I__allows the midwife to check the unborn

baby's heart ratę during labour.

1/ Al ter the baby has been born the midwife clamps the_

_ in two places.

13 A__will often be placed in an incubator.

Mi my words are used in association with other words to form collocations,

11,(|, premature baby, birth canal. Try to learn these words in these partnerships. This will help you when reading and listening. In Test 54 you <;on practise morę collocations.