The obstacles that health scientists have to overcome to use artificial body organs and body parts are :
- Rejections
- Mechanical endurance
- Machine efficiency
- Etc
hope this helps
Law making power--this article gives Congress the power to create laws which are "necessary and proper".
This power of Congress is one that impacts the day-to-day of Americans' lives. This is why the votes for congressional representatives are so important as they are creating the laws dictating the rights of citizens.
