i would say c, because many people are in need for new livers, kidneys, etc, and it does save a lot of lives per year
Answer:
here's the answer
Explanation:
Atoms are one of the smallest things know to man kind and are what make up everything in our world
Muscles are also necessary for movement: They're the masses of tough, elastic tissue that pull our bones when we move. Together, our bones, muscles, and joints — along with tendons, ligaments, and cartilage — form our musculoskeletal system and enable us to do everyday physical activities.