prepare 5 unit 6 vocabulary

to open the mouth wide and take a lot of air into the lungs and slowly send it out, usually when tired or bored:

• melatonin

• devices

• yawn

• hormone

websites and computer programs that allow people to communicate and share information on the internet using a computer or mobile phone:

• concerntrate

• wondering

• circadian

• social media

an important part or characteristic of something

• mood

• devices

• social media

• feature

to ask yourself questions or express a wish to know about something

• rhythm

• wondering

• feature

• mood

have an effect on

• have a feature on

• have a mood on

• have an influence on

• have an answer on

any of various chemicals in the body that are carried by the blood and that influence the body’s growth and how it works

• hormone

• circadian

• rhythm

• social media

think about the thing you are doing, nothing else

• device

• wondering

• feature

• mood

the way you feel

• rhythm

• device

• feature

• mood

pieces of

• feature

• device

• mood

• hormone

a hormone in the body that produces changes in skin colour and is involved in controlling biorhythms such as our sleep pattern

• wondering

• circadian

• melatonin

• hormone