They combine with a third system, the immune, to protect the body against pathogens that could threaten the organism's viability. The blood is responsible for the following: 1  Transportation of gases (oxygen O 2) and carbon dioxide (CO 2), chemical substances (hormones, nutrients, salts), and cells that defend the body.hey combine with a third system, the immune, to protect the body against pathogens that could threaten the organism's viability. The blood is responsible for the following: 1  Transportation of gases (oxygen O 2) and carbon dioxide (CO 2), chemical substances (hormones, nutrients, salts), and cells that defend the body.
Myo-inositol in Pregnancy Purpose of the study is to learn if myo-inositol supplements (supplement in the B-vitamin family) affect your blood sugar and how your body processes food for energy. The Maternal-Fetal Medicine Research Unit is studying myo-inositol supplementation in pregnancy.
By about four weeks, it should be close to its pre-pregnancy weight of 3.5 ounces or less. This process is called involution of the uterus. Even after your uterus shrinks back into your pelvis, you may continue to look somewhat pregnant for several weeks or longer. That's because your abdominal muscles get stretched out during pregnancy, and it will take time â and regular exercise â to get your belly back in shape.