1 The Centers for Disease Control and Prevention (CDC) recommends 2 doses of quadrivalent meningococcal conjugate vaccine for adolescents 11 through 18 years of age.  The first dose should be given at 11 or 12 years of age, followed by a booster dose at age 16.
Figure- The synchrony between the three major system of human body. The major differences between hormones and neurotransmitters are as follows-. â¢ Neurotransmitters belong to the nervous system, whereas hormones belong to the endocrine system. â¢ Transmission of neurotransmitters is across the synaptic cleft, whereas that of hormones is by blood. â¢ Hormones are produced by endocrine glands while neurotransmitters are produced by neurons.
Prostaglandins are also involved in regulating the contraction and relaxation of the muscles in the gut and the airways. Prostaglandins are known to regulate the female reproductive system, and are involved in the control of ovulation, the menstrual cycle and the induction of labour. Indeed, manufactured forms of prostaglandins - prostaglandin E2 and F2 can be used to induce (kick-start) labour.