Answer:
B. exercise tubing
Explanation:
It is the most portable & reliable source of a full body workout equipment.
B. glucose
explained- the body breaks them down or converts them into sugar glucose
i am not an expert in health but i think it is B
╦────────────────────────────╦
│Hope this helped _____________________│
│~Xxxtentaction _______________________│
╩__________________________________╩