How is generation p generation related to the f2 generation

Well, in the P generation, depending on if the P generation had recessive alleles, then roughly 25% of the f2 generation, will exhibited recessive traits.

lipid

explanation:

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.