Topic 3 [article]: Exercise and mitochondria. Exercise is generally known to have many beneficial effects on our bodies at several different levels. Some studies have examined the effects of exercise at the level of muscle cells. Read the press release by Cell Press (3)*.

• (a)  What specifically did these researchers measure in their volunteers?
• (b)   What were their findings?
• (c)   Explain how this relates to this week’s lessons.

References (in Strayer Writing Standards format).

1. PBS Newshour, March 5, 2014. The phytoplankton that brought Earth to life,https://youtu.be/m_43nR11PW8
2. JoAnna Klein, July 11, 2018. This snail goes through metamorphosis. Then it never has to eat again. https://www.nytimes.com/2018/07/11/science/snail-metamorphosis.html
3. Cell Press, March 7, 2017. How exercise — interval training in particular — helps your mitochondria stave off old age.https://www.sciencedaily.com/releases/2017/03/170307155214.htm