Answer:
It will be endorphins
Explanation:
any of a group of hormones secreted within the brain and nervous system and having a number of physiological functions. They are peptides which activate the body's opiate receptors, causing an analgesic effect.
Answer:
Nicotine is a dangerous and highly addictive chemical. It can cause an increase in blood pressure, heart rate, flow of blood to the heart and a narrowing of the arteries (vessels that carry blood). Nicotine may also contribute to the hardening of the arterial walls, which in turn, may lead to a heart attack.
Explanation:
Go With the Traffic Flow. Ride on the right in the same direction as other vehicles. ...
Obey All Traffic Laws. A bicycle is a vehicle and you're a driver. ...
Yield to Traffic When Appropriate. ...
Be Predictable. ...
Stay Alert at All Times. ...
Look Before Turning. ...
Watch for Parked Cars.