Biology, 06.04.2021 23:30 khristaviaaa
Which statement correctly describes an interaction between two body systems that regulate internal conditions in an animal's body?
A: Signals carried by nerve cells cause an increase in the heart rate.
B: Hormones released by neurons enter the bloodstream.
C: Hemoglobin enables red blood cells to carry oxygen molecules.
D: New red blood cells form from division of cells in the bone marrow,
Answers: 3
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Which statement correctly describes an interaction between two body systems that regulate internal c...
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