Why is blood classified as a connective tissue?
a) blood connects two areas of the body.
b) blood provides mechanical support of organs.
c) blood stores large quantities of lipids
d) blood develops from mesenchyme.

answer:

dbg

explanation:

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.

Transmission of infectious diseases