Why is there a difference in the rate of breathing between aquatic organisms and terrestrial organisms? Explain.

Respiration in Aquatic Organisms, Composition and Functions of Blood | PadhAiPro

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TextRespiration in Aquatic OrganismsComposition and Functions of BloodCBSE PYQ

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Besides minimising the loss of blood, why is it essential to plug any leak in a blood vessel ? Name the component of blood which helps in this process and state how this component perform this function.

TextComposition and Functions of BloodTransport of Water in Plants Through XylemTransport of Food in Plants Through Phloem

The transport system in plants is relatively slower than in animals. Give reasons.

TextComposition and Functions of BloodTransport of Water in Plants Through XylemTransport of Food in Plants Through Phloem

State the role of phloem in the transport of materials in plants.

TextComposition and Functions of BloodTransport of Water in Plants Through XylemTransport of Food in Plants Through Phloem

Assertion (A) : The rate of breathing in aquatic organisms is much faster than in terrestrial organisms. Reason (R) : The amount of oxygen dissolved in water is very high as compared to the amount of oxygen in air.

Assertion-ReasonRespiration in Aquatic Organisms

Give reasons for the following : (i) Alveoli in lungs are richly supplied with blood capillaries. (ii) Respiratory pigment in the blood takes up oxygen and not carbon dioxide. (iii) During anaerobic respiration, a 3-carbon molecule is formed as an end product instead of CO₂ in human beings.

TextHuman Digestive SystemRole of Digestive EnzymesAnaerobic RespirationGas Exchange in AlveoliRespiration in Aquatic Organisms

Name the movements that occur all along the gut in human digestive system. How do they help in digestion ?

TextHuman Digestive SystemRole of Digestive EnzymesAnaerobic RespirationGas Exchange in AlveoliRespiration in Aquatic Organisms