You are walking up the stairs and your foot slips. you fall forward grazing your shin on the stair and now have a bruise. what muscle have you injured?

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

What is the cause hearing loss in human being

Identify two examples of chemical reactions that you have encountered during the last week. identify an exothermic and endothermic reaction. explain.