Weight capacity is the determining factor when choosing what gauge steel shelving to. use for your records storage. If lighter-gauge steel shelving provides the necessary. weight capacity for your records, you may choose to purchase it.
The amount of blood in the penis increases sixfold during an erection. The blood filling the corpora cavernosa compresses and then closes off the openings to the veins that normally drain blood away from the penis (see Figure 4). In essence, the blood becomes trapped, maintaining the erection.
Blood in urine can come from the kidneys, where urine is made. It also can come from other structures in the urinary tract, such as: 1  Ureters (the tubes from the kidneys to the bladder)  Bladder (where urine is stored)