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Transcript
Nerve Cell (neurone) Nerve cells (neurones) are found all over the body. They carry signals to and from the brain to tell the body what to do. They are very long and thin because they need to carry messages all over the body. Picture: NickGorton, commons.wikimedia.org Palisade cell Palisade cells are found in the leaves of plants. They are used to make food for the plant using energy from the sun. Palisade cells are adapted well to their job because they have lots of chloroplasts to collect lots of light. They are all regular shaped so that they can fit tightly together in the leaf. Muscle cells Muscle cells are make up the muscles in all animals. They are in our body to help us move. Muscle cells are adapted to their job as they are very flexible so when you use your muscles they can stretch without being broken. They also contain small organelles called mitochondria which can release energy from food for movement Root hair cell The root hair cells make up the roots of plants. They are used to get water and minerals out of the soil. They are long and thin to increase the surface area of the roots so that they can take up lots of water and minerals into the plant to where it is needed Picture: http://pixgood.com/root-hair-cell-diagram.html Red Blood Cell Red blood cells are found in the blood of all animals. They travel around your body and take oxygen from your lungs to your other cells. The red blood cells have a very large surface area to make them better at absorbing oxygen. Photo: Database Center for Life Science (DBCLS) Ciliated Epithelial Ciliated epithelial cells make up the linings of things like your throat and your intestines. Ciliated epithelials have hairs on them (cilia) which are used to waft bacteria and mucus down the linings Picture: http://solve-the-solution.blogspot. co.uk/2013/01/specialised-cell.html Sperm Cell Sperm cells are found in the testes and are used, with egg cells to make a new living animal Sperm cells are good at their job because they have very long tails to help them swim towards the egg Egg cell Egg cells are found in the ovaries and are used, with sperm cells to make a new living animal. They are good at their job as they contain a large store of food so that the new living animal can have a all the nutrients it needs to start growing Xylem cell Xylem cells are found in the stem of plants They are hollow so that they can carry water from the roots around the rest of the plant Pollen cell Pollen cells are found on the anther of plants. They are used to pollinate other plants. Pollen cells are very good at their job because they are very light so that they can be carried to other plants by insects such as bees or by the wind