Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
A parasite life cycle.
The nitrogen cycle. The five main parts of the nitrogen cycle are:
The nitrogen cycle. Numbers represent fluxes as 1012 g N per year (data from Schlesinger 1991, after
Cardiac cycle
Life cycle of Obelia, a hydrazoan that has alternating medusa (left) and polyp generations
Life cycle of a Plasmodium species that causes malaria