blood flows at a high pressure, so if the arteries are thin and less muscular, the arteries can explode due to the pressure. so it needs thick and muscular properties so that it can withstand the increasing pressure of the flow of blood.
im not sure why it needs to be elastic. Hope it helped :)
Answer:
AAT
Explanation:
use AT GC to replicate dna sequence
Um..... because it could have high levels of mercury, an mercury consumed during pregnancy has been linked to developmental delays and brain damage
A dog's sense of smell has improved since being domesticated because C) Humans have bred them to have a strong sense of smell.