Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
Lipid assembly and metabolisms.
Examples of such cells include those of the endocrine and paracrine system that
produce steroid hormones like corticosteroids and sex steroids. Examples of cells with high amounts of smooth
endoplasmic reticulum are those of the gonads and the liver.
