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.
An erection normally occurs in response to physical or psychological stimulation. This stimulation causes certain blood vessels and smooth muscles to relax and/or expand, increasing blood flow to spongy tissues in the penis. Consequently, the blood-filled penis becomes erect.