I don't think blood cells even have walls it would only be plant cells that have walls. Blood cells are like animal cells they don't have walls because the cell membrane allows them to take any shape so they can live through that environment.
Answer:
its Potassium and vitamin D.
Explanation:
Potassium and vitamin D are two nutrients that help reduce the risk of osteoporosis.
New tools and different practices where uplifted over the years.
Answer:
A group of people that all need help so they come together and support each other in the hard times and they talk about their problems and adversities that they are facing or have overcome.
Explanation: