Sickle cell anemia is a? A: hereditary
B: virus
C: bacterial infection
D: blood infection

A hereditary: Sickle cell anemia is inherited in an autosomal recessive pattern, which means that both copies of the gene in each cell have mutations . The parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but they typically do not show signs and symptoms of the condition.

The physiological benefits of warming up and cooling down

Can you explain it well?