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U6 Science
Our skin
Term | Definition |
---|---|
stretch | expand and become longer |
weigh | to be of a certain weight |
on average | usually; typically |
organ | each one of the parts of our bodies which has a particular function, e.g. the heart, lungs, liver, etc. |
layer | a thin flat area, usually lying above or below another |
outer | on the outside |
epidermis | the outer layer of the skin |
cell | a tiny structure which makes up all living things |
keratin | a protein found in our skin, nails, hair, etc. |
strengthen | make sth stronger |
waterproof | not allowing water to pass through it |
melanin | a dark substance found in our skin, hair and eyes which gives them their colour |
darken | make sth darker in colour |
shield | protect |
dermis | the middle layer of our skin |
elastic | able to stretch |
inner | being on the inside |
hypodermis | the bottom layer of our skin |
store | keep sth in order to use it later |
fat | a soft white substance under the skin that stores energy and keeps us warm |
blood vessels | each of the tubes that carry blood around the body |
regulate | keep sth constant |
defence | protection |
bacteria | germs |
muscles | each of the parts of the body that connect the bones and allow the body to move |
bone | the hard body parts that make up the skeleton of a creature |
internal | being in the inside |
well-nourished | having been given food and other substances necessary to survive, grow and stay healthy |
mineral | a substance found naturally in food |
depend on | rely on |
whole grains | the seeds of plants such as wheat, oats, barley, including their outer part |