The act of smiling does not cause the body to secrete hormones. The reason that made a person smile may do so.
adenohypophysis
Most growth hormones are secreted while the person is sleeping.
Hormones secreted by adrenal medulla.They are adrenaline and noradrenaline.
glands
The secrete gastric juice and the digestive hormones are secreted from the small intestines during the digestion process.
The chemicals secreted by the endocrine system are known as hormones. These chemical messengers are carried by the circulatory system to their target tissues.
Organs and glands secrete hormones, which means they release them into the bloodstream.
relaxin hormones are secreted by female gonds (female sex hormones) .there are three types of hormones which are secreted by female gonds. these are 1 progesterone 2 oestrogen 3 relaxin hormone
Epinephrine and norepinephrine are the two hormones secreted by the adrenal medulla. These adrenal hormones are classified as catecholamine's which are chemical compounds made in the body from the amino acid tyrosine.
Testosterone
a chemical secreted by your body
the hypothalamus