Explain how a drop of deoxygenated blood flows into the heart and leaves the heart full of oxygen, ready to supply our whole body. Include all four chambers of the heart, all four valves, and don’t forget to mention gas exchange.

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tell their parents and make sure she gets from a counselor or therapist. be supportive and be there for her. be a kind and good friend. spend time with her to make her feel like she's not alone. i'm not a professional but i really hope they stays strong.

hi !

a woman is in the second stage of childbirth. which of these events may be occurring?

- delivery of baby out of the vagina

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