It is spring and a little boy has terrible allergies. His nose is stuffed with mucus and he has a cough. Why are his mucous membranes producing so much mucus? He is allergic to mucus.

It is a sign that he has a head injury.

Mucus traps pollen so it cannot enter the body.

Mucous membranes always make more mucus in spring.

When studying heredity, what is the relationship of dna based and traits? super urgent !

What are the components of an effective weight-training program? a. conditioning, progression, generalization, overwork, balance, and recovery b. overload, progression, specificity, regularity, recovery, balance, and variety c. overwork, coordination, motivation, conditioning, regularity, and variety d. consistency, progression, rest, regression, balance, and specificity

What are 3 important public health tools for addressing flu outbreaks and why