1 Anaerobic exercises use fast-twitch muscle fibers (Type II muscles) much more. 2  The main fuel sources are ATP or glucose; much less oxygen, fat and protein is used. 3  This type of activity produces lots of lactic acids.
A loanword (or loan word or loan-word) is a word borrowed from a donor language and incorporated into a recipient language without translation. It is distinguished from a calque, or loan translation, where a meaning or idiom from another language is translated into existing words or roots of the host language.
A loan is a debt provided by an entity (organization or individual) to another entity at an interest rate, and evidenced by a promissory note which specifies, among other things, the principal amount of money borrowed, the interest rate the lender is charging, and date of repayment.