With hard numbers or estimates from all but three of the 49 states that have laws allowing for issuance of carry permits, the U.S. Government Accountability Office reports that there were about 8 million active permits in the United States as of December 31, 2011.
Mar 18, 2016. There are 11 major organ systems in our body. This includes the circulatory, respiratory, digestive, excretory, nervous, and endocrine systems. As well as the immune, skeletal, reproductive, muscle and integumentary systems.
The human body is made up of 11 organ systems that work with one another (interdependantly). These systems include the integumentary system, skeletal system, muscular system, lymphatic system, respiratory system, digestive system, nervous system, endocrine system, cardiovascular system, urinary system, and reproductive systems.