Oxygenated blood flows out of the heart through the _____ .
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Where in the human body can you find the islets of Langerhans?
Osteoporosis is the disease related to
What is the name of the point at which the chromatids are attached in a chromosome?
Which of the following represents the pair of sex chromosomes in women?
Retinol is mainly related to ___.
Which is the only organ in the human boddy that can regrow/regenerate?
Which of the following organisms can reproduce by regeneration and budding?