Calcula el aumento de una preparacion si usas un ocular de 15x y objetivo de 60x . Y si utilizas el objetivo de inmersion ¿ cuanto es el aumento ?

1. dermis

2. chemical

3. urine

4. viruses

5. antibodies

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.

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.