What are the parts of humen digestive system?

There are 11 main parts of the digestive system including: Teeth, tongue, lips, salivary glands, esophagus, liver, pancreas, large intestine, stomath, small intestine, mouth. Other parts include epiglottis, pharynx, gallbladder, appendix, rectum, along with  the diaphram, and finally, your anus (butt). I beleive you wont need any more than that.. and might actually only have to use the first 11 but.. just to make sure.

scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.