In your textbook, read about the urinary system and homeostasis. Complete each statement. 11. __________________________ and __________________________ are two toxic nitrogenous wastesthat your kidneys constantly remove from your bloodstream. 12.The kidneys also help regulate the bloodâs ________________________ ________________________ ,and __________________________. 13.n your textbook, read about the urinary system and homeostasis. Complete each statement. 11. __________________________ and __________________________ are two toxic nitrogenous wastesthat your kidneys constantly remove from your bloodstream. 12.
The last eruption of this stratovolcano occurred in March 1944. A stratovolcano, also known as a composite volcano, is a conical volcano built up by many layers (strata) of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic explosive eruptions and effusive eruptions, although some have collapsed craters called calderas.
Mount St. Helens is an active stratovolcano in the Cascade range in the state of Washington, approximately 53 miles (85 km) NE of Portland, OR.