The cholesterol component that has been linked with a decreased risk of coronary heart disease is:

Scientific thinking: what clues about biology might road kill provide?

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons