On Screen Unit 6

on the inside or close to the centre of something

one of the hard parts that together form the frame of a human, animal, or fish body

not allowing water to enter

one of the pieces of flesh inside your body that you use in order to move, and that connect your bones together

based on a calculation about how many times something usually happens, how much money someone usually gets, how often people usually do something etc

very small living things, some of which cause illness or disease

a natural dark brown colour in human skin, hair, and eyes

the act of protecting something or someone from attack

one of the tubes through which blood flows in your body

to give a person or other living thing the food and other substances they need in order to live, grow, and stay healthy

on the outside of something

the outside layer of your skin

to make something continue in the same way or at the same standard as before