This gradient is maintained by the use of metabolic energy through ion pumping, and its existence allows cells to use transient increases in the intracellular Ca 2+ concentration as signals, which regulate cell function.
The legal status of abortion is an important indicator of women's ability to enjoy their reproductive rights. Legal restrictions on abortion often cause high levels of illegal and unsafe abortion, and there is a proven link between unsafe abortion and maternal mortality.he legal status of abortion is an important indicator of women's ability to enjoy their reproductive rights. Legal restrictions on abortion often cause high levels of illegal and unsafe abortion, and there is a proven link between unsafe abortion and maternal mortality.
Abortion. Abortion means ending a pregnancy before the fetus (unborn child) can live independently outside the mother. If abortion happens spontaneously before 24 weeks of pregnancy, it is called a miscarriage. An induced (or therapeutic) abortion is caused deliberately in order to end the pregnancy.bortion. Abortion means ending a pregnancy before the fetus (unborn child) can live independently outside the mother. If abortion happens spontaneously before 24 weeks of pregnancy, it is called a miscarriage. An induced (or therapeutic) abortion is caused deliberately in order to end the pregnancy.