Topics: Cell Theory and Cell Organelles Quiz
What happened that allowed cells to be studied?
A. Cells increased in size.
B. Scientists began to work together.
C. Scientists became smarter.
D. The microscope was invented and improved.
Select your answer:

Topics:
Purpose and Function of the Skeletal System Types of Immunity 5 Major Food Groups Wellness & Influences Sense of Sight Metabolic Sauver Blood Groups Cell Theory & Melanoma Cardiology Medications The Human Body Hospital Wards and Departments Discovery of DNA Types of Reproduction Fitness Blood PressureOther quiz:
Science Reproduction › ViewThe contraceptive method in which hormones are taken by a female to prevent her ovaries from releasing eggs is
A. a Diagphragm
B. The pill
C. Female sterilization
D. Male Sterilization
E. Condom
Human Body Systems › View
If you take a rest after running a mile, what happens to your BREATHING rate?
A. increases
B. decreases
C. stays the same
D. none of these