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Questions and Answers
What is the smallest structural and functional unit of an organism?
What is the smallest structural and functional unit of an organism?
- Cell (correct)
- Organ
- Organism
- Tissue
Why does running make a person breathe faster?
Why does running make a person breathe faster?
- To expel excess carbon dioxide from the body
- To increase lung capacity
- To take in more oxygen for increased energy needs (correct)
- To cool down the body temperature
What is the purpose of respiration?
What is the purpose of respiration?
- To provide energy to the cells (correct)
- To transport nutrients in the body
- To release carbon dioxide from the body
- To regulate body temperature
Which function do cells need energy for?
Which function do cells need energy for?
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What are the microscopic units that all organisms are made of?
What are the microscopic units that all organisms are made of?
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