What is the most important part in the respiratory system?

What is the m’naughten rule? how did this rule come into existence?

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.