Transportation in Animals
Transportation in Animals
Transportation in Animals:
In unicellular animals such as amoeba and paramecium, no special transport system is required. Every part of the organism gets nutrients and oxygen directly through cell diffusion. In hydra, water transports food and oxygen to all parts of the body and takes wastes away from the different organs for excretion.
Which of the following are correct ? (a) In unicellular animals such as amoeba and paramecium, no special transport system is required. (b) In multicellular organisms, the transportation is done by a specialized system known as the respiratory system . (c) Human being have three kind of well developed blood vessels namely, arteries, veins, and capillaries . | |||
| Right Option : C | |||
| View Explanation | |||
Which of the following are correct ? (a) Every part of the organism gets nutrients and oxygen directly through cell diffusion . (b) In higher animals including human beings, there is a excretory system for transportation of different substances example digested food, oxygen, carbon dioxide, excretory waste etc.
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| Right Option : A | |||
| View Explanation | |||
Humans have a well developed and efficient circulatory system in which a thick muscular organ called the ___________________ is present. | |||
| Right Option : A | |||
| View Explanation | |||
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