Some patients with coronary artery disease require a heart transplantation. as an alternative, daisy is working to produce healthy heart cells from embryonic cells. from which part of an embryo would daisy derive cells that could eventually become heart cells?

The right answer is human embryonic stem cells (hESCs).

Emerging embryonic stem cells are endowed with two important capacities: that of multiplying to infinity, by simple division (self-renewal), and that of giving birth to all types. of cells of the body (pluripotency).  

These properties open up many perspectives, not only for regenerative medicine (including cardiology) but also for the study of genetic diseases and the development of treatments.

answer; /// i believe the correct answer is (thrombocytopenia); (a)

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.