A normal blood cell is round and almost donut-like in shape. Sickle cells are hard, rigid, and shaped in a curve.
don't do drugs in the first place
Answer:
That is indeed true!
Explanation:
Heraclitus means that all things are ever changing, yet preserve an identity through the changes.
eg. Plants need water, but floods kill plants
Sea water is good for fish, but bad for humans.
Drug addiction is a chronic disease characterized by compulsive, or uncontrollable, drug seeking and use despite harmful consequences and changes in the brain, which can be long lasting. These changes in the brain can lead to the harmful behaviors seen in people who use drugs. Drug addiction is also a relapsing disease. Relapse is the return to drug use after an attempt to stop.
