Define the following
1 Lenticels
2 Respiration
3 Exoskeleton
4 Nutrition
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1).Lenticels permit the exchange of gases between the environment and the internal tissue spaces of the organs (stems and some fruits) (Fig. 6.2). They permit the entrance of oxygen and simultaneously the output of carbon dioxide and water vapor.
2).The act of inhaling and exhaling air in order to exchange oxygen for carbon dioxide.
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1) LENTICELS
A lenticel is a kind of absorbent tissue that is made of large intercellular spaces and cells at the periderm of secondarily thickened plant organs and the bark of roots and woody stems and also in dicotyledonous plants that bear flowers.
2) RESPIRATION
A process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.
3) EXOSKELETON
A rigid external covering for the body in some invertebrate animals, especially arthropods
4) NUTRITION
It is the nourishment that we are able to get when food substances are consumed by us. Maintaining a healthy diet provides us nutrition.
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