Question

9. What is the number of breathing per minute called?
10. What are stomata?
SECTION-C​

Answer 1

Answer:

Answer 9- Respiratory rate: A person's respiratory rate is the number of breaths you take per minute. The normal respiration rate for an adult at rest is 12 to 20 breaths per minute.

Answer 10- In botany, a stoma, also called a stomate is a pore, found in the epidermis of leaves, stems, and other organs, that controls the rate of gas exchange. The pore is bordered by a pair of specialized parenchyma cells known as guard cells that are responsible for regulating the size of the stomatal opening

Explanation:

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