★ Herd Immunity Quiz
80% to 95% percent of people are needed for herd immunity to be effective.
A. TRUE
B. FALSE
Select your answer:
Topics:
Who am Eye? Types of Reproduction Mental Health Children Well-being HNBS Intern ESR (RBC sed rate) First Aid Bleeding Meiosis and intro to Genetics Essential Nutrients The Cardiovascular System OCR A-level Organic Compounds, Minerals and Enzymes Digestive and Circulatory System Hele Skeletal System Child Development Cell Diversity - Organization, Tissues, Plants and AnimalsOther quiz:
Respiratory System › ViewWhat is the function of the ribcage?
A. It protects the lungs.
B. It helps the lungs pump oxygen.
C. It delivers oxygen from the lungs to the bloodstream.
D. It connects the trachea to the lungs.
Covid-19 › View
The coronavirus possibly came from
A. a bat
B. a snake
C. reptile – pangolins
D. all of the above