ICSE BoardEnglish MediumSTD 8BIOLOGYUnit - 6.1 Circulatory System.2 Marks
Question
What is double circulation? Explain with the help of a diagrammatic representation.
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Answer
A mechanism in which blood circulates twice through the heart in one complete cycle is known as double circulation. Systemic circulation and pulmonary circulation are two pathways in which the blood flows in double circulation. A food web can be termed as the combination of many different food chains and the relationship that exists between each organism. In a food web, an organism of higher trophic level has access to more members of a lower trophic level.
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