★ Your Body Quiz
When you walk, muscles in your legs contract and relax. This is a great example of the ____ system in action.
A. muscular system
B. circulatory system
C. execratory system
D. nervous system
Select your answer:
Topics:
Biodiversity Eyes Multicellular Organisms Blood Pressure and Blood Vessels Ear/Eye Medical Terms Microbes and Infectious Disease Parts of Human Body Health Unit Coordinating The Human Eye Health and Disease Biological Organisms Classification Health Issues Related to Digesting System and Eating Habits Biology Ankle Injuries Basic Structure of the Human BodyOther quiz:
Medical Careers › ViewWhat is “capacity for sight”
A. Acuity
B. Internship
C. Vision
D. Residency
Biotechnology › View
The folds found inside the mitochondria that give more surface area for energy-releasing processes to take place are referred to as the ____.
A. Chromosomes
B. Cilia
C. Cristae
D. Cytoskeleton