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.
Blood Circulatory System:
It consists of the heart, arteries, veins and capillaries. Blood is the medium for transport of all the necessary materials to different parts of the body.
Transportation in Humans:
Humans have a well developed and efficient circulatory system. It consists of
Lymphatic Circulatory System :
It consists of following parts:
Which of the following are correct ? (a) Substances which are soluble in water like fatty acids get transported with the help of another fluid known as lymph . (b) Humans have a well developed and efficient circulatory system . (c) Blood is a liquid connective tissue and consists of 30% of water . | |||
| Right Option : A | |||
| 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.
| |||
| Right Option : A | |||
| View Explanation | |||
Which of the following are correct : (a) In hydra, water transports food and oxygen to all parts of the body and takes wastes away from the different organs for excretion. (b) Blood is the medium for transport of all the necessary materials to different parts of the body. (c) Blood vessel are of three kinds namely, arteries, veins, and capillaries .. | |||
| Right Option : D | |||
| View Explanation | |||
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