Answer:
Blood leaves the heart through the pulmonic valve, into the pulmonary artery, and to the lungs.
Explanation:
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children are born as blank slates or "tabula rasa."
The AAP recommends anemia screening with a hemoglobin blood test for all infants at 12 months of age. The screening should also include a risk assessment. This is a group of questions to find risk factors for iron-deficiency anemia.
Treatment will depend on your child’s symptoms, age, and general health. It will also depend on how severe the condition is. To prevent iron-deficiency anemia, the AAP says Beginning at 4 months of age, infants that are only breastfed or partially breastfed should be given a daily iron supplement until they begin eating iron-rich foods. Infants that are formula-fed do not need iron supplements. The formula has iron added to it. Whole milk should not be given to infants less than 12 months old. Infants and toddlers from 1 to 3 years old should have foods rich in iron. They include cereal that has iron added, red meats, and vegetables with iron. Fruits with vitamin C are also important. The vitamin C helps the body absorb the iron.
Learn more about Iron deficiency anemia here-
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The odorant molecules arrive either directly by diffusion into the mucus, or are supported by transport proteins (odor binding protein or OBP) that allow the hydrophobic molecules - majority - to penetrate the mucus covering the epithelium, and thus to reach the membrane receptors present on the eyelashes of the olfactory neurons. These transport proteins are thought to concentrate odorant molecules on membrane receptors. As ligands, the odorant molecules bind to membrane receptors on the eyelashes, triggering a transduction pathway for a stimulus involving G.olf protein (first messenger), adenylate cyclase, and cAMP ( second messenger). The second messenger causes the opening of ion channels Ca2 + / Na + present on the plasma membrane of the olfactory receptor, these two ions then enter the cell. Ca2 + causes the opening of a Cl- channel, the output of this ion causes depolarization of the membrane so that the olfactory receptor produces action potentials. These impulses will go directly to the olfactory bulb, in the prefrontal region of the brain, where this information (and that of taste) is processed by the body.
