Compare and contrast passive and active immunity, covering at least four functions, components, or mechanisms related to immune response. Include at least one way in
which they are similar and one way in which they are different.

answer:

364 lol

improves lung function.

well if this is a real question here you go

they are very similar in the ways they affect the body. they affect the respiratory system and they have similar traits. both viruses evolve rapidly and have exponential growth in the body. both viruses are human to human passed.

keratin.

collagen.

elastin.

Explanation:

Elastin and collagen are found in the dermis and are produced by fibroblasts, are responsible for giving firmness, strength and elasticity to the skin.

Keratin is in the epidermis, this protein helps to preserve or recover the elasticity and firmness of the skin, also helps in cell regeneration and support the tissue where it accumulates.