Keratinized vs Non-keratinized Epithelium Epithelium constitutes the outer layer of body surfaces, linings of the alimentary canal and the walls of hollow structures. It covers the internal or external surfaces of the body. The functions epithelial tissue is to protect the underlying tissues from physical damages, infection, desiccation, UV radiation […]
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Similarities and Difference between Simple and Compound Epithelial Tissue
Simple vs Compound Epithelium Simple vs Stratified Epithelium: Epithelial tissue is a tissue system in animals that forms the outer layer of body surfaces, the linings of the alimentary canal and the walls of hollow structures. It covers the internal or external surfaces of the body. In the previous post, […]
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Parasitic Adaptations (Platyhelminthes, Nematodes, Insects and Plants)
Parasitic Adaptations What is meant by Adaptation? Adaptation definition: ‘Any feature of an organism or its part which enables it to exist under conditions of its habitat is called adaptation.’ The adaptations are mainly to withstand the adverse conditions of the environment and to use the maximum benefit of the environment. What are Parasites? A parasite […]
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Epithelial Tissue: Classification and Examples
What is Epithelium? Ø Epithelium is a tissue system in animals. Ø Epithelium constitutes the outer layer of body surfaces, linings of the alimentary canal and the walls of hollow structures. Ø It covers the internal or external surfaces of the body. Ø Epithelial cells are held together by carbohydrate […]
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Artery vs Vein: Similarities and Differences (A Comparison Table)
Difference between Arteries and Veins: The circulatory system in an organism ensures the transport of oxygen, nutrients, carbon dioxide and hormone throughout the body. The blood circulatory system in an animal is facilitated by the heart (the blood pumping organ) and blood vessels (closed pipelines which carry out the circulation […]
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