What are some ways to prevent heat energy “loss “ in matter ?

there are many Ways to reduce heat loss

1) Simple ways to reduce heat loss include fitting carpets, curtains and draught excluders. ...

2) Heat loss through windows can be reduced by using double glazing. ...

3) Heat loss through walls can be reduced using cavity wall insulation. ...

4) Heat loss through the roof can be reduced by laying loft insulation.

Explanation:

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the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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