System y. hope this helps!!
A. immune system
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Answer: the correct answer is laryngoscopy.
Explanation: the surgical procedures that would MOST likely require a rigid endoscope is laryngoscopy. It is the endoscopy of the larynx, a part of the throat. It is a medical procedure that is used to obtain a view, for example, of the vocal folds and the glottis.
Answer:
Ancient Greeks.
Explanation:
The human males and females are separated on the basis of their gender. The third gender might occur due to the mutation in the normal chromosomes of the humans.
Different cultures and the scientists have different thinking on the sexuality of the people. According to the Ancient Greeks, the heterosexuality and homosexuality might occur because according to them humans were used to be double creatures and homosexuality is common among them.
Thus, the answer is ancient Greeks.
They protect the public and ensure safety on the food and drugs we may use, they regulate that.
