D the answer is d becasue that is the one I picked and i got it right!
Answer:
C
Explanation:
The heart moves the blood which contains the materials the cell needs and the materials from the cells
Temperature and oxygen level
Answer:
I think A but I might be wrong good luck
Answer:
Why is it important to learn about stem cells and stem cell research?
Researchers hope stem cell studies can help to: Increase understanding of how diseases occur. By watching stem cells mature into cells in bones, heart muscle, nerves, and other organs and tissue, researchers may better understand how diseases and conditions develop.
How does stem cell research affect society?
Research with embryonic stem cells may lead to new, more effective treatments for serious human ailments and alleviate the suffering of thousands of people. Diseases such as juvenile diabetes, Parkinson's disease, heart failure and spinal cord injuries are examples.
