1. How do your respiratory and excretory systems interact? A. Lungs release oxygen
C. Lungs release carbon dioxide
B. Kidneys clean your blood
D. The large intestine absorbs water
2. How do your digestive and circulatory systems interact?
A. Your skull protects your brain
B. The large intestine absorbs water
C. Blood carries carbon dioxide to the lungs
D. Blood absorbs nutrients from the small intestine

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.