Select your answer:
Topics:
Eco Factors & Bacteria Communicable Disease Genetics and Probability Eyes and Hearing Source of Food Diseases of Digestive System Sensory Disorder Environment Respiratory System Biology Homeostasis, Nutrition, Digestion & Absorption Thyroid Disease Blood Upper Limb Organ Senses and Locomotor SystemOther quiz:
Digestive System › ViewSpongy organ that helps you breathe
A. brain
B. lungs
C. skin
D. heart
Immunology › View
How many types of TCRs are possible?
A. 1- a/B
B. 2- a/B and y/δ
C. 1- y/δ
D. 30,000