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Explanation:
Platelets are thrombocytes, whose function is to help blood clots form at the site of an injury; red blood cells are erythrocytes, whose function is to carry oxygen to body cells.
Answer:
Explanation:
In the male, meiosis takes place after puberty. Diploid cells within the testes undergo meiosis to produce haploid sperm cells with 23 chromosomes. A single diploid cell yields four haploid sperm cells through meiosis. In females, meiosis begins during the fetal stage when a series of diploid cells enter meiosis I.
They're the only vein that carries oygenated blood
Low levels of estrogen is a sign that the ovaries of a woman are beginning to fail. This is a common occurrence when one is at menopausal stage. Estrogen and progesterone naturally decrease and eventually stops the menstrual cycle. Hope this helped.
Decreased use of atmospheric co2 is the answer. Hope this helps!:)