16 Read and write the correct word next to numbers 1-6. There is one example. Antarctica Antarctica is around fifty times the size of the UK and it is where the South Pole is. Ice and 1) snow cover most of Antarctica and it is very cold. It is the coldest place on Earth. It doesn't 2) - very much so Antarctica is actually a desert. Its 3) lasts from March to August and it is dark all day long. In 4) - it never gets dark. People don't live in Antarctica but some animals do. You can find 5) on the ice and 6) in the ocean around Antarctica

The skin consists of three layers. The outer layer contains cells containing keratin, a protein that strengthens the skin and makes it waterproof. It also has melanin, which darkens the skin and protects it from the sun. How dark our skin is depends on how much melanin is contained in the epidermis. The middle layer is elastic and provides a sense of touch. The inner layer, subcutaneous tissue, stores fat and energy, has large blood vessels and helps regulate body temperature. The skin is our protection against bacteria, it allows us to feel heat, cold and pain. It also helps the muscles, bones and inner skin to recover during sleep, so you need to get enough sleep. Water prevents the skin from drying out. To make the skin look young, it is also important to follow a balanced diet.

Vitamin A helps to restore and maintain skin health. Vitamin A includes carrots, sweet potatoes, lettuce leaves and apricots.

Vitamins C and E protect the skin from sunlight and dirt. Vitamin C is found in kiwis, oranges, and peppers. Vitamin E is found in nuts and olives.

Vitamin H strengthens hair and nails. You can get vitamin A from nuts, beans and mushrooms.

Minerals help heal wounds. They are found in eggs and whole grain products and a number of fruits and vegetables.