Guard cell o is ordered to opening and closing of stomata.
Humans usually have 46 chromosomes. Monkeys, chimps, or other organisms related closely to them: they have diploid number of 48 chromosomes.
(Future reference: Haploid means half, half the # of chromosomes in the nucleus. Diploids means duplicate, COMPLETE necessary set of chromosomes).
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When contracted the Right Atrium pumps deoxygenated blood into the Right Ventricle below via the Tricuspid Valve.
Because there is little leaching.