UNIT 1 THE RUNNER'S HIGH Reading 2 | Quizlet

brain

organ in the head, intelligence

to find out

to discover

to release

to set free, to liberate

to increase

to rise, to make or become larger

in a good mood

(feel) happy

to depend on

to rely on

survival

the ability to continue living

successfully

in a successful manner

cheetah

the fastest land animal on earth

to reach

to get to, arrive at

to manage

to get by, to control or be in charge of something

(to have) an edge over

(have) an advantage over

endurance

ability to last

broad

wide

sweat (noun/verb)

perspiration, to perspire

lack (of)

absence of

cool

pleasantly cold

ancestor

A relative who lived in the past

to outrun

run faster than

persistent

refusing to give up, stubborn

a herd

a group of animals

exhaustion

extreme tiredness

likely

probably

brief

short

positive feedback

favourable comments

pleasure

a feeling of enjoyment

boost

increase

to improve

to make better

lung

breathing organ in the chest

weight

how much a body weighs

helpful

useful; willing to help

development

economic growth or an increase in living standards

a belief

conviction, way of thinking

achieve (a goal)

to reach an objective

suspicion

A feeling of doubt or mistrust

fortunately

luckily

grades

marks

praise

worship

to play a role

to have an effect or influence on something