★ 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:
Macronutrients & Micronutrients Obstructive Lung Disease Properties of the Hair Physio Intro Practice Health and Medicine Cardiovascular Adaptation Refresher Blood Cells Nutrition in Humans and Animals Urinary System ESR (RBC sed rate) Unintentional Injuries Antibiotic in Orthopaedics Fluid and Electrolytes Radiation and Health Renal and Gastrointestinal SystemOther quiz:
Body System › ViewThis system includes the skin, hair, and nails.
A. integumentary
B. nervous
C. skeletal
D. muscular
Nervous System › View
Multiple sclerosis is an autoimmune disease in which the body’s own immune system destroys the _____________ of the nerve axons.
A. Myelin
B. Dendrites
C. Axon Terminal
D. Nodes of Ranvier