Topics: Respiratory System Quiz
In humans, the thin, moist membranes of the alveoli are surrounded by
A. bronchi
B. the epiglottis
C. capillaries
D. lymph vessels
Select your answer:

Topics:
Infectious Diseases PHE Healthy Lifestyle Skeletal System Vocabulary Vocabulary for Organisms in Ecosystems Gaseous Exchange in Humans IV Therapy and Blood Transfusion Musculoskeletal Anatomy Muscles Fitness Terms and Definitions - Diseases Hematology / Oncology Bone Development and Remodeling Nutrition, Neuroscience & Mental Health Brain Anxiety DisordersOther quiz:
Musculoskeletal System › ViewWhat keeps bones from rubbing against each other?
A. Ligaments
B. Cartilage
C. Tendon
D. Joint
Innate Immunity › View
What is the body’s first line of defence against infection?
A. Physical barriers
B. White blood cells
C. Blood plasma
D. Red blood cells