Chemistry, 15.12.2020 18:00, icylaila

Melissa and ashley play tennis every afternoon. Twenty minutes into the game they both start to breath heavy, sweat, and feel their heart beat faster. which two body systems are working together to cause these reactions? A. Digestive and Reproductive
B. Respiratory and Circulatory
C. Endocrine and Urinary
D. Nervous and Digestive

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Melissa and ashley play tennis every afternoon. Twenty minutes into the game they both start to brea...