Answer:
There are no stairs, its a one story house.
Heart beats increase for no reason or skips beats sometimes because of anxiety or stress. When the body is put under too much stress, it needs to act out and normally it is through your heart palpitations.
Your answer is: Stress and anxiety
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Don't give out personal information (name, phone number, passwords, etc), never meet up with anyone, don't download anything suspicious, don't open emails or attachments from strangers, and don't show your face.
Answer: estrogen and progesterone
Explanation: