In his theory of Cognitive development, Jean Piaget proposed that humans progress through four developmental stages: the sensorimotor, preoperational, concrete operational and formal operational period.
Because strep throat is a bacterial infection, your doctor will prescribe an antibiotic to treat it. These medications inhibit the spread of bacteria and infections. Several types of antibiotics are available. It's important that you finish your antibiotic treatment course to kill the infection completely.
2 major loops - one goes from the heart to the lungs while the other from the heart to the other parts of your body
Smallpox is the only human disease to have been eradicated by vaccination. The last case was in <span>Somalia in 1977 and was successfully eradicated. Now we have been smallpox free for 30 years!</span>