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The following statements describe features of cardiovascular systems. Match the appropriate system from the list to each description. Some choices may be used more than once.
-prevents oxygen-poor blood from flowing to tissues
A)direct gas exchange
B)open circulatory system
C)two-chambered heart
D)three-chambered heart
E)four-chambered heart
Q11: Which primary succession event led to the
Q14: produces melatonin
Q16: The antidiuretic hormone (ADH) _.<br>A) controls levels
Q36: composed of lightweight tissues with internal spaces<br>A)compact
Q55: The multicelled projections that protrude from the
Q63: _ glands release products onto an internal
Q65: marrow that produces blood cells<br>A)compact bone<br>B)spongy bone<br>C)both
Q85: full digestion requires bile<br>A)carbohydrates<br>B)proteins<br>C)lipids
Q93: The _ attaches to the lower leg
Q94: The hormone whose levels remain high when