What is the tube that stretches from the mouth to the anus called trachea alimentary canal eustachian tube none of the above

Vessels draining the myocardium of the heart, open primarily ,into which chamber?

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.

9. technology can bring both good and bad things. building a vertical farm can increase food supplies in cities (good), but it may cause unemployment in rural areas (bad). give another example of both the good and bad sides of a technological advancement (5 noints)