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 means ending a pregnancy early. In some cases, a womanâs pregnancy ends on its own. This is called a miscarriage, or a spontaneous abortion. In other cases, a woman chooses to end her pregnancy by taking medicine (called medical abortion) or having surgery (called surgical abortion).These 2 types of abortion are usually done in the first trimester (the first 3 months) of the pregnancy.his is called a miscarriage, or a spontaneous abortion. In other cases, a woman chooses to end her pregnancy by taking medicine (called medical abortion) or having surgery (called surgical abortion). These 2 types of abortion are usually done in the first trimester (the first 3 months) of the pregnancy.