Nicotine primarily increases heart rate. It acts as a stimulant, which can lead to various effects on the body, including increased heart rate and blood pressure. So, the correct response to how nicotine affects the body is "increases heart rate."
Question How does nicotine affect the body? (1 point) Responses makes one feel sleepy makes one feel sleepy slows breathing rate slows breathing rate increases heart rate increases heart rate lowers blood pressure
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