Sickle-cell anemia is inherited..It is a condition where there are not enough healthy red blood cells to carry enough oxygen through your body...There is no cure for sickle-cell anemia over time damage is done to your vital organs...
Answer:
Platyhelminthes
Explanation:
Platyhelminthes, flatworms. this tissue covers the whole surface of the body. It is made up of cells closely packed and ranged in one or more layers.
Answer:
Answer in bold
When the fertility rate falls below replacement level, the population grows older and shrinks, which can slow economic growth and strain government budgets.
Explanation:
