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7A Cells simple AJHS

QuestionAnswer
adapted When something has certain features to help it do a particular job. When the features of a cell help it do its job, the cell is said to be ‘adapted’ to its job.
anther Part of the stamen. It produces pollen grains.
brain Organ that controls what the body does.
breathing system Takes in oxygen and gets rid of carbon dioxide from our bodies.
carpel Female reproductive organ found in flowers. It is made of a stigma, style and ovary.
cell The basic unit which living things are made of.
cell division When a cell splits in two. Cells are made using cell division.
cell surface membrane Controls what goes into and out of a cell.
cell wall Tough wall around plant cells. Helps to support the cell.
chlorophyll Green substance found inside chloroplasts.
chloroplast Green disc containing chlorophyll. Found in plant cells. Where the plant makes food using photosynthesis.
cilia Small hairs on some cells.
ciliated Having cilia.
ciliated epithelial cell Cell with cilia found in the lungs.
circulatory system Carries oxygen and food around the body.
coverslip Thin piece of glass used to hold a specimen in place on a slide.
cytoplasm Jelly inside a cell where the cell’s activities happen.
daughter cell The two new cells made by cell division are called daughter cells.
digestive system Breaks down our food.
egg cell The female sex cell in plants.
embryo Tiny plant, found inside a seed, with a very small shoot and a very small root.
eyepiece lens Part of the microscope you look down.
fertilisation Joining of a male sex cell with a female sex cell.
fertilised egg cell What is produced when a male sex cell fuses with an egg cell.
filament Part of the stamen. It supports the anther.
flower Organ system containing reproductive organs – carpel (female), stamen (male).
focusing wheel Wheel on a microscope that moves parts of the microscope to get the image into focus.
fruit Something used to carry seeds. Can be fleshy or dry.
heart Organ that pumps blood.
image What you see down a microscope.
intestine The small intestine is an organ used to digest and absorb food.
The large intestine is an organ which removes water from unwanted food.
kidneys Organs used to clean the blood and make urine.
leaf Plant organ used to make food using photosynthesis.
liver Organ used to make and destroy substances in our bodies.
lungs Organs used to take oxygen out of the air and put waste carbon dioxide into the air.
magnification How much bigger a microscope makes something appear.
microscope Used to magnify small things.
microscope Used to magnify small things.
muscle cell Cell that can change its length and so help us to move.
nerve cell Cell that carries messages around the body.
nervous system Carries messages around the body.
neurone Another name for a nerve cell.
nucleus Controls what a cell does.
objective lens Part of the microscope that is closest to what you are looking at.
organ A large part of a plant or animal that does a very important job.
organ system Collection of organs working together to do a very important job.
ovary Part of the carpel. It contains ovules, each of which contains an egg cell.
ovule Contains egg cells. Is found in the ovary.
palisade cell Cell found in leaves which contains many chloroplasts.
photosynthesis Process that plants use to make their own food. It needs light to work.
photosynthesis Process that plants use to make their own food. It needs light to work. Carbon dioxide and water are used up. Food and oxygen are produced.
pollen grain The male sex cell in plants.
pollen tube Tube that grows from a pollen grain down through the stigma and style and into the ovary.
pollination Transfer of pollen from an anther to a stigma.
reproductive organ Organ that produces sex cells.
root Plant organ used to take water out of the soil.
root hair cell Cell found in roots. It has a large surface area to help the cell absorb water quickly.
root hair tissue Found in roots. Takes in water from the soil.
seed Contains a plant embryo and a store of food.
seed coat Hard outer covering of a seed.
sex cell A cell used for sexual reproduction.
sexual reproduction Producing new organisms by combining a male and a female sex cell from two different parents.
skin Organ used for protection and feeling.
slide Glass sheet that a specimen is put on.
specimen What you look at down a microscope.
stage Part of the microscope. You put slides on it.
stain Dye used to colour parts of a cell to make them easier to see.
stamen Male reproductive organ found in flowers. It is made of an anther and a filament.
stem Plant organ used to take water to the leaves and to support the leaves.
stigma Part of the carpel. It is where pollen lands.
stomach Organ used to store and break up food.
style Part of the carpel connecting the stigma to the ovary.
tissue A group of the same cells all doing the same job.
vacuole Storage space in plant cells.
variety A plant or animal that is in some way different from its parents.
xylem tissue Found in roots, stems and leaves. Transports water.
xylem tube Hollow tube formed from xylem cells and used to carry water up a plant.
Created by: johncl
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