Join ExamsbookAnswer : 1. "Oxygen"
Essential Part for the given word from the following options.
Respiration5
Q: Essential Part for the given word from the following options. Respiration
- 1Oxygentrue
- 2Carbon monoxidefalse
- 3Mouthfalse
- 4Circulationfalse
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Answer : 1. "Oxygen"
Explanation :
Answer: A) Oxygen Explanation: A person or animal must take in oxygen for respiration to occur. A mouth (choice a) is not essential because breathing can occur through the nose. Choices b and d are clearly not essential and can be ruled out.