The right option is; a. fatty substances called lipids inside the cell
Among other changes caused by cell aging, there is an increase in pigments and fatty substances called lipids inside the cell.
Aging occurs in the body's cells, tissues, and organs and it therefore affects the functioning of all body systems. Cell aging makes cells sizes to increase and reduces their ability to reproduce. It causes an increase in pigments and fatty substances (lipids) inside the cell. This makes the cells to be inactive or to function abnormally. Aging also causes the accumulation of waste products in tissues.
The body needs calcium and phosphorous because phosphorus works with calcium to help build bones
The first one is going to be b and the second one is going to be a
They group together for warmth when it's cold and they also group together in case of threats.
