Biology — Heart Rate During Exercise

{
  "$schema": "https://vega.github.io/schema/vega-lite/v5.json",
  "description": "Heart rate before, during and after exercise",
  "data": {"values": [
    {"time":0,"bpm":70},
    {"time":2,"bpm":75},
    {"time":4,"bpm":110},
    {"time":6,"bpm":140},
    {"time":8,"bpm":155},
    {"time":10,"bpm":150},
    {"time":12,"bpm":120},
    {"time":14,"bpm":95},
    {"time":16,"bpm":78}
  ]},
  "mark": {"type":"line","point":true},
  "encoding": {
    "x": {"field":"time","type":"quantitative","title":"time (min)"},
    "y": {"field":"bpm","type":"quantitative","title":"heart rate (bpm)"}
  }
}