Definition of surface tension and high specific heat

Surface Tension -->  The tension of the surface film of a liquid caused by the attraction of the particles inthe surface layer by the bulk of the liquid, which tends to minimize surface area

High Specific Heat --> The amount of heat or energy required to raise the temperature of a substance by 1 degree celsius

Explanation:

first one in the dictionary and the second one from reference.com

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.