Virus and bacteria are small and can cause problems
Answer:
BAHAHHAHAHAH WHAT IS THAT
Answer:According to the Global Burden of Disease Study 2017, the eight leading causes of morbidity (illness) and mortality (death) in Nepal are: Neonatal disorders (9.97%), Ischaemic Heart Disease (7.55%), COPD (5.35%), Lower respiratory infection (5.15%), Diarrhoeal disease (3.42%), Road injury (3.56%), Stroke (3.49%), ...
Explanation:
doctors books
Epithelial cells are packed tightly together. The cells form a continuous sheet forming a barrier between internal organs and the outside environment. It protects the tissues that lie beneath from physical trauma, invasion of pathogens, toxins, radiation, desiccation etc.