A2 upper

a tool or machine used to perform a job or

function

• device (noun) - The device worked exactly as I'd hoped

• command (noun) - Begin when I give the command.

• signal (noun) - When I give the signal, run!

• limb (noun) - The animal is able to stand up on its hind limbs.

an action that sends a message, often without

words

• device (noun) - The device worked exactly as I'd hoped

• command (noun) - Begin when I give the command.

• signal (noun) - When I give the signal, run!

• limb (noun) - The animal is able to stand up on its hind limbs.

an instruction, an order

• device (noun) - The device worked exactly as I'd hoped

• command (noun) - Begin when I give the command.

• signal (noun) - When I give the signal, run!

• limb (noun) - The animal is able to stand up on its hind limbs.

a body part; for example, a leg, arm, etc

• device (noun) - The device worked exactly as I'd hoped

• command (noun) - Begin when I give the command.

• signal (noun) - When I give the signal, run!

• limb (noun) - The animal is able to stand up on its hind limbs.

communicate (verb) - We only communicate by email.

• to exchange information

• to manage or have power over

• a body part; for example, a leg, arm, etc

• an instruction, an order

artificial (adjective) - The patient was kept alive by the artificial heart for nearly two months.

• to exchange information

• a body part; for example, a leg, arm, etc

• made by humans

• using a mechanical or electrical machine to improve body functions

control (verb) - Can't you control your children?

• to exchange information

• a tool or machine used to perform a job or function

• to manage or have power over

• an instruction, an order

bionic (adjective) - I can control my bionic hand with an app on my phone.

• made by humans

• a tool or machine used to perform a job or function

• using a mechanical or electrical machine to improve body functions

• an action that sends a message, often without words