How do your body systems respond to maintaining homeostasis while exercising? 1.Respiratory System:
2.Circulatory System:
3.Digestive System:

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.