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.
-during sexual arousal, the erectile tissue fills with blood from areteries. -increasing pressure seals off the veins that drain the penis, causing it to engorge with blood. -the engorgement of the penis with blood causes an erection, essential for insertion of penis into vagina.