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Biology

JC Science

TermDefinition
Nutrition the way an organism gets its food.
Respiration the release of energy from food.
Excretion the removal of waste matter from the body
Reproduction the formation of new organisms
Response reacting to changes in the surroundings
Invertebrates animals that do not have a backbone.
Vertebrates animals that have a back bones
Tissues a group of similar cells which carry out the same function.
Cells are what living things are made of
Organ a structure that contains two or more tissues working together.
System a number of organs working together
Digestion the breakdown of food.
Chemical digestion breakdown of food using enzymes
Physical digestion breakdown of food using mechanical methods.
Enzyme a protein that speeds up a reaction without being used up in the reaction.
Product the substance produced as a result of the action of an enzyme
Substrate the substance that an enzyme acts on
Microscope used to view small objects in detail
Eyepiece lens enlarges the image of the object
Focus knobs allow a clear sharp image to be seen
Nosepiece rotates so that different lenses can be used
Objective lens located on the nose piece it enlarges the image of the object
Stage the slide is placed on the stage for viewing
Mirror used to shine a light source through the slide
Respiration the release of energy from food
Aerobic Respiration needs oxygen to release energy from food
Nose cleans, warms and moistens air
Trachea allows air to pass to and from the trachea
Bronchi allows air to pass to and from the trachea
Bronchioles allow air to pass to and from the alveoli
Alveoli allows gas exchange
Diaphragm cause the air to move in or out of the lungs
Plasma liquid part of blood, transports chemicals and heat.
Red blood cells/Haemoglobin transports oxygen
White blood cells fights infections
Created by: con.peelmanmoens