mast cells
Histamine -amine formed from histidine that stimulates gastric secretions and dilates blood vessels; released by the human immune system during allergic reactions
Basophils are a type of white blood cell. They function in the immune system in allergic reactions. They also contain heparin to prevent the blood from clotting too quickly, and histamine which dilates blood vessels.
When someone has an allergic reaction say a bee sting you will start to swell up so your veins will dilate increasing blood flow to try and eliminate anything harmful to the human body, it'll increase your respiration so you get more oxygen which will keep your body from creating lactic acid especially your heart it'll cause inflammations increasing blood flow to those spots to try and eliminate harmful things and it'll also release the white blood cells that will be brought to the site by Leuchotrines Histamine is a hormone that will be released Dilates your veins Increases your respiration causes an Inflammation of the tissues Releases the white blood cells Neurotransmitter
Nitrate
Albuterol dialates the bronchioles
the radial layer
No, the cervix dilates.
Your eye dilates
Adrenaline and noradrenaline hormones are secreted in stress conditions. During this the blood vessels dilates and the heart rate increases. BUT actually the function of both the hormone is synergistic in raising the blood pressure. These also release glucose from liver and reinforce the effects of sympathetic system. In the absence of these hormones, the stress conditions are diminished.
Contracts
The Cervix.
dilates them