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].
Ruck Name Meaning. German: nickname for someone with a peculiarity of the back, Middle High German rucke.German: topographic name from a southern field name denoting a slight dome-shaped elevation.German: from the personal names Ruck, Rueck, rÃ¼ck short forms Of (ruediger RÃ¼diger).See: rudiger english variant Spelling. of rook