Select your answer:
Topics:
Healthcare Careers Organic Compounds, Minerals and Enzymes Endocrine System Disorders Bacterial Growth PHYSIOLOGY OF KIDNEY Diseases Key Terms CVA Human Anatomy Cell & Bond Oxygenation Eco Factors & Bacteria Muscles and Movements Respiratory System Med Term Terms and Definitions - Diseases Musculoskeletal LEOther quiz:
Nutrition › ViewWhat is the BEST answer for why is exercise important?
A. Helps get oxygen and nutrients to cells by improving blood flow
B. Makes us look good
C. Causes weight gain
D. It’s not important, we don’t need exercise for a healthy life.
Breathing System › View
What is the percentage of oxygen in exhaled air?
A. 78%
B. 14%
C. 5%
D. Variable