Invading microorganisms sometimes enter the body and threaten its health. how does the body protect itself from these invaders?

a.
the immune system kills or disables the invading organisms.

b.
the respiratory system removes invaders from the blood.

c.
the immune system collects and stores the invading organisms.

d.
the respiratory system surrounds the invaders with carbon dioxide.

The diagram shows the results when two parents are crossed. the letters represent alleles for a trait that is controlled by three different genes. which best describes this inheritance pattern? multiple allele because a trait is controlled by three different genes polygenic because the offspring have alleles from both parents multiple allele because the offspring have alleles from both parents polygenic because a trait is controlled by three different genes