Answer:
ciculation would be the most important to tyron while playing hockey.
Explanation: The ciculation of tyrons blood would keep him warm on the cold hockey floor.
Answer:
The effects of tobacco smoke on the respiratory system include: irritation of the trachea (windpipe) and larynx (voice box) reduced lung function and breathlessness due to swelling and narrowing of the lung airways and excess mucus in the lung passages.
Explanation: hope i could help and i hope you have a really good day :)