Transportation in plants for Water and Food Supply
In humans and other animals, the transport of substances occurs due to circulatory system. In unicellular organisms, the transport within the cell occurs by cytoplasmic movements or by diffusion. But, transportation in plants is quite different. They have no circulatory system yet, the substances have to move to distant places. Water, plant growth regulators, minerals, […]
Continue readingWhat system removes waste from the body and How
Kidneys are the vital organs which are involved in the excretion process. But there are also other organs which remove the waste from the body. These organs together constitute the excretory system as Kidneys Skin Lungs Liver Intestine All the above organs are involved in elimination. Elimination involves removal of waste from the body. Kidneys: […]
Continue readingWhat is Transpiration | Its Definition, Process and Diagram
Transpiration is the movement of water from the plants into the air. But if you are asked to define what is transpiration, you can say it as “The loss of water in the form of vapor from the aerial parts of the plants into the atmosphere.” In spite of the loss of water by transpiration, […]
Continue readingUses of Flowers | To Humans, Animals, Plants and Environment
There are many uses of flowers which grow on the plants. These include Provide food Source of honey Source of medicine Help in pollination and crop yield Give beauty to nature and surroundings Provide Perfumes and scents Decoration To prepare dyes Insect repellents Support breeding Flowers are the most beautiful structures on the surface of […]
Continue readingInteresting Facts about Mammals | With Examples and Pictures
Mammals are the highly evolved animals on the planet. As per evolution theory, they are originated from the reptiles like the birds. But they have some interesting facts. 1. Give birth to young ones: Mammals unlike birds, reptiles etc, do not lay eggs. They give birth to fully formed young ones. The young ones are […]
Continue readingWhat is Hemostasis | Its Mechanism in 4 Stages
Hemostasis is a series of an overlapping process intended to stop the bleeding during an injury to the blood vessel. The process occurs approximately within 15 seconds after the injury. The platelets which are a type of blood cells play a vital role in it. This hemostasis occurs in four stages as 1. Vasoconstriction 2. […]
Continue readingImportance of Roots | 10 Uses to Plants and Man
Roots are the important parts of the plant and trees. For plants they are useful for Fixing the plant firmly to the soil, Provide water, Provide minerals and manures, Storage of food, Excretion of waste, Supports the life of other organisms. For humans Source of food Provides vital medicine and drugs, Source of fiber, Help […]
Continue readingWhat are nematodes | Their Characteristics, Examples and Uses
Nematodes are the class of animals belonging to the phyla Aschelminthes. Their cross-section is round in shape and hence called as roundworms. They have features similar to tapeworm but, have some distinct characters like Size Body systems Reproduction type Food habits Distribution Size: Nematodes can be microscopic but even large and visible to naked eye. […]
Continue readingHow the Digestive System Works ? Step by Step Process in Order
The digestive system is the body systems which provides strength and energy to the body. It is the only route through which the foreign material (food) directly enters the body. Hence, the system is designed to make the foreign substance safe and compatible for the body to absorb. Here are the step by step process […]
Continue readingHow does Saliva Help in Digestion | 5 Important Roles
Saliva is the first secretion of the digestive system. Here are five ways on how does the saliva help in digestion. 1. Chewing the food. 2. Sense of taste 3. Enzymatic digestion of larger carbohydrates 4. Lubrication of food for easy passage 4. Moistening and cleaning the mouth 5. Defense against microbes. Saliva is secreted […]
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