★ Life Processes Quiz
It is the site of gaseous exchange in human lungs.
A. villi
B. alveoli
C. trachea
D. larynx
Select your answer:

Topics:
Dental Specialties Disabilities Linked Gene Cell Cycle Problems Enzymes and Metabolic Pathways Muscular System NCHSE Cardiology Digestion and Microbes Renal and Gastrointestinal System Nervous / Sensory System BTEC Biological Approach Revise Biodiversity Pathophysiology of Injuries and Diseases Endocrinology Biochemistry of DiabetesOther quiz:
Human Genetics › ViewThe recessive allele in blood type in humans is:
A. A
B. AB
C. B
D. O
Biochemistry › View
Which is a source of immediate energy?
A. Carbohydrates
B. Lipids
C. Proteins
D. Nucleic Acids