Normally, protein is not removed when the kidneys filter waste from the blood. However, when the kidneys are damaged, protein leaks through the damaged filters and is removed from the body in the urine, along with the waste products.
1. rucksack-a bag carried by a strap on your back or shoulder. back pack, backpack, haversack, knapsack, packsack. bag-a flexible container with a single opening; he stuffed his laundry into a large bag. kit bag, kitbag-a knapsack (usually for a soldier).ucksack. n. 1. a large bag, usually having two straps and a supporting frame, carried on the back and often used by climbers, campers, etc. US and Canadian name: backpack. [C19: from German, literally: back sack].
A ruffle a pleated piece of decorative fabric often used as trim on clothes, like the ruffles on a pirateâs shirt. To ruffle is to make someone lose their composure. Argh. The word ruffle is mysterious, but it might be from the Low German word ruffelen which means to wrinkle. A ruffle on the bottom of a dress is like a fancy wrinkle. To ruffle someone is to upset them, and theyâll need to get straightened out. Often, this word is used in the expression ruffle their feathers. Hearing bad news will ruffle most people's feathers. An unruffled person and an unruffled shirt will both be smoother.