Human endocrine glands are essentially identical to dog and cat endocrine glands, both in structure and function. The endocrine glands include the pituitary gland, thyroid gland, parathyroid glands, pancreas, adrenal glands, ovaries, and testes.he parathyroid glands are four small glands located adjacent or within the thyroid gland. These glands secrete parathyroid hormone (PTH). PTH helps maintain normal calcium and phosphorous levels in the body and is necessary for proper bone development.
The Vietcong The Vietnamese Communists, or Vietcong, were the military branch of the National Liberation Front (NLF), and were commanded by the Central Office for South Vietnam, which was located near the Cambodian border. For arms, ammunition and special equipment, the Vietcong depended on the Ho Chi Minh trail.
1 The Viet Cong were armed with the Chinese copy. 2  M3 Grease gun-The M3 Grease gun was issued to troops all over Vietnam was the main submachine gun, but many others were used such as the Thompson which was replaced later on. Many South Vietnamese soldiers were armed with this weapon and used it until the end of the war. 2  Smith & Wesson M76 - A copy of the Swedish K, it replaced that gun as the main submachine gun of the Navy SEALs in 1967.