Answer:
The neural retina consists of several layers of neurons interconnected by synapses, and is supported by an outer layer of pigmented epithelial cells.
Explanation:
B, a heart attack results when blood flow to the heart is suddenly disrupted.
Answer: Pregnant women should not undergo PET/CT scans because the radioactive tracers used may be dangerous to the baby.
Explanation:
D as there isn't a time limit
Answer:
Playing sports does not cause osteosarcoma
Explanation:
Osteosarcoma is a bone cancer that begins in the cells that forms bones.
Common symptoms of Osteosarcoma are; tumor that can be felt through the skin, bone pain, restriction in movement, limping and so on.
If the disease has not spread to other part of the body, the survival rate is around seventy -to seventy-five percent but if osteosarcoma has spread to other part of the body the survival rate is about thirty percent.
For treatment, chemotherapy and chemotherapy drug should be administered.