Select your answer:

Topics:
Fitness Human Body Systems Urinary System Medical Terms Levels of Organization Anatomy and Physiology Skeletal System Pharmacology Calculations Aerobic- Cardio Respiratory Endurance World Health Day First Aid Lipids The Respiratory System Renal System - Pharmacology Common Respiratoty Diseases The nervous system & brain Children Well-beingOther quiz:
Eye and Ear › ViewWhat part of the eye controls how much light enters the black hole (pupil) in the center of the eye?
A. optic nerve
B. pupil
C. cornea
D. iris
Musculoskeletal System › View
What is the purpose of the musculoskeletal system?
A. To release nutrients from food
B. Support and movement of the body
C. Production of hormones for growth and development
D. Regulation of temperature