Testing facilities that engage in animal testing dispose of both animals and dangerous chemicals, food waste, and a variety of supplies used during the testing process. Not to mention, animal testing has a heavy impact on water and air quality. Additionally, animal testing is cruel and ineffective. Animals don't get many of the diseases that humans do. For example, major types of heart disease, many types of cancer, HIV, Parkinson's disease, and schizophrenia. 100 million animals are killed each year due to animal testing.

5 0

3 years ago

12. How much time passes between fertilization and the first division of the zygote?

Molodets [167]

The amount of time that passes between the fertilization and the first division of zygote is estimated to be 24 hours.

3 0

2 years ago

The ability of the cardiovascular and respiratory systems to efficiently transfer oxygen and nutrients to skeletal muscles is kn

erik [133]

It's known as Cardiorespiratory fitness.

6 0

3 years ago

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