What is the most significant reason for the dramatic increase in expected life span over the last 100 years? * better living habits improved surgical techniques the development of antibiotics and immunizations a decrease in the number of people living in poverty

How does the endocrine system affect the body's functions? o o o o it secretes enzymes directly into the bloodstream. it secretes hormones directly into the bloodstream. it secretes enzymes through ducts to the surface of organs. it secretes hormones through ducts to the surface of organs.

Which of these contraceptive methods would be most beneficial for a female who wishes to avoid side effects or surgery?

Annie is experiencing migraine headaches, so she visits her primary care doctor and pays with the insurance provided by her employer. what type of healthcare organization is annie utilizing?