Transport of Gases
Transport of Gases
Transport of Gases: In very small organisms, there is no need to have a separate transportation system for gases because all its cells are involved directly in the exchange of gases by diffusion.
Which of the following are correct ? (a) The oxygen ‘picked up’ by hemoglobin gets transported with the blood to various tissues. (b) Oxygen is more soluble in water than carbon dioxide. So some of it is transported in the dissolved form in our blood . (c) Not all of carbon dioxide is expelled from our body. Some of it reacts with water to form useful compounds. | |||
| Right Option : C | |||
| View Explanation | |||
Oxygen is carried by hemoglobin of the ___________________. | |||
| Right Option : A | |||
| View Explanation | |||
Which of the following are correct ? (a) Large multicellular organism needs a mechanism for the transport of gases for its different organs and tissues. (b) Human beings have a system for transportation of gases. (c) Oxygen is carried by hemoglobin of the red blood cells. Haemoglobin has a great affinity for oxygen – each hemoglobin molecule binds to four molecules of oxygen. | |||
| Right Option : D | |||
| View Explanation | |||
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