Assume you're sound sleeping when the doorbell rings. You get to your feet and walk over to the door, which you open and greet your visitor. Consider the several changes that occur in your body as you awaken and respond to the doorbell. How does the three types of muscle tissue (smooth, cardiac, skeletal) helps in responding to the doorbell?

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.