Select your answer:
Topics:
Embryology Cosmetology Purpose and Function of the Skeletal System Common Diseases in Human Beings Surgical tech-safety Pathophysiology - Inflammation Organelles First Aid Check up The Ear Musculoskeletal/Endocrine Systems Health Related Fitness Emergency Medicine Fluid Therapy Vocabulary Gaseous Exchange in HumansOther quiz:
Components of Blood › ViewWhy does a red blood cell have a biconcave shape?
A. To decrease the surface area, therefore restricting the volume of oxygen lost from the cell
B. To provide a large surface area for the active transport of oxygen in and out of the cell
C. To increase the available surface area, so more oxygen can diffuse in and out of the cell
D. To increase the volume of the cell, so more genetic material can be carried around the body
Infant Nutrition › View
Which nutrient is essential for brain development, absorbing vitamins A, D, E, & K, and regulating body temperature?
A. Carbs
B. Fats
C. Water
D. Proteins