Coordination and Response Flashcards
On the term 2 summative
Stimulus
A change in an organisms internal or external enviornment that can be detected
Sweating
The secretion of sweat onto the surface of skin by sweat glands. The evaporation of water in sweat removes heat energy from the skin, cooling the body down.
Synapse
A junction between two nerve cells where neurotransmitters are released
Target Organ
The organ which a hormone acts on to produce an effect
Vascoconstriction
The constriction of blood vessels near the surface of the skin to conserve heat.
Vasolidation
The dilation of blood vessels near the surface of the skin to lose heat
Testosterone
The main male reproductive hormone produced by the testes. It stimulates sperm production
Progestosterone
A hormone is produced in the ovaries and placenta that maintains the uterus lining.
Oesterone
A female sex hormone realeased by the ovaries that causes growth and repair of the uterus lining.
Insulin
A hormone secreted by the pancreas when blood glucose concentration is too high. It reduces Blood glucose concentration