Which statement best describes the function of the respiratory passageways of a human?
A. They permit digestive end-products to make contact with body cells.
B. They permit exchange between the external atmosphere and the circulatory system.
C. They transport gaseous cellular wastes from body cells to the lungs for excretion.
D. They regulate the amount of ammonia and salt dissolved in body fluids.
Select your answer:
Topics:
Psychology, Psychiatry, & Social Work Muscoskeletal System Nutrition Brain, Neurons and The Nervous System Terms and Definitions - Diseases Digestive and Circulatory System Nature of Science Anatomy and Histology of Stomach The Vascular System and Blood Flow Obstructive Lung Disease Geriatrics Disease & Immunity Nail Regulation of Heart Rate NeurologyOther quiz:
Respiration › ViewWhich life process do we consider the activity of digestion?
A. Nutrition
B. Movement
C. Growth
D. Reproduction
Immunology › View
Which number shows the time when most of pathogen A has been killed?
A. 1
B. 2
C. 3
D. 4