★ Respiration, Immune System, Blood Cells Quiz
Give one adaptation of alveoli for efficient gas exchange.
A. Alveoli have a one cell thick lining for a short diffusion pathway.
B. Alveoli have a small surface area for fast diffusion of oxygen.
C. Alveoli have many a thick lining for a long diffusion pathway.
Select your answer:
Topics:
Renal Philosophy Physiology Pathology Renal Pharmacology Genetics: Viruses and Bacteria Components of Blood Beneath the Skin Living Organisms Chemistry Disease Outbreak and Transmission Respiratory and Circulatory Ankle Injuries Musculoskeletal System Medical Terminology Eye in Color Vision Thyroid DiseaseOther quiz:
Enzymes and Their Functions › ViewHow does pH affect enzyme activity?
A. Enzyme activity is highest at extreme pH levels.
B. Each enzyme has a preferred or best pH that they work best in.
C. Enzyme activity is not affected by pH.
D. Enzyme activity increases with increasing pH.
Physical › View
Who easily can get heart attack?
A. Senior citizen
B. Teenager
C. Kids