Ques: Q: What basic structures of the nervous system innervate the muscles of the respiratory system and are responsible for controlling and regulating pulmonary ventilation? Choices: - toxins - enzymes - ions - neurons A:
Ans: neurons

Ques: Q: When do cells acquire different identities in an ordered spatial arrangement? Choices: - during mitosis - larval stage - before morphogenesis - during morphogenesis A:
Ans: during morphogenesis

Ques: Q: What causes maple leaves to change their colors? Choices: - artificial preservatives - factor reactions - radiation reactions - chemical reactions A:
Ans: chemical reactions

Ques: Q: During the typical human female ovulation cycles, how many eggs are released? Choices: - four - two - three - one A:
Ans:
one