which one of the statement is correct
(a)all animals require a medium for cellular respiration
(b)in all animals oxygen is transported by blood
(c)all animals take oxygen from water of air through gills of lungs
(d)all animals need oxygen for respiration
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I think correct answer is option b
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Answer: B. In all animals, oxygen is transported by blood. (RBC - red blood cell).
- RBC is specialized in carrying oxygen because they contain large quantities of proteins called hemoglobin.
- All animals need oxygen to complete the process of burning glucose for fuel. Every cell in an animal requires oxygen to perform cellular respiration.
- Option d. is also correct because the process of creating energy from food is called respiration in all living things and it needs oxygen. to
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