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Pre-capillary sphincters | Circulatory system physiology | NCLEX-RN | Khan Academy

So we often talk about capillary beds, but I thought that it would be fun to get really up close and really get a good understanding of how these things work. Couple of neat freaks(?) our body has developed to make sure that blood gets to the areas where it needs to go. So let’s […]

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Umbilical vessels and the ductus venosus | Circulatory system physiology | NCLEX-RN | Khan Academy

So here we are. We’re looking at the placenta. I’m just going to outline the parts that are specifically considered the placenta. That’s this bit right here. And I’m going to orient you by labeling the pink wall that’s around this. You remember that’s called the uterus wall. That’s this wall right here. This is […]

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Intro to Human Physiology: Lesson #35: Blood Flow in the Body

welcome to an introduction to human physiology lesson 35 blood flow in the body in our previous lecture we spoke about the various characteristics of the vascular system in this lecture we'll be speaking about the physiology of blood flow that is occurring inside of this system now when we look at blood flow it […]

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Can Science Improve Your Sex Life?

مع العمل , الدراسة أو أي جدول مليئ بالتوتر سيكون من الصعب ايجاد الوقت أو الطاقة لجولة إضافية في غرفة النوم – لممارسة الحب – لكن هل يستطيع العلم امتلاك حل لمشاكلنا الجنسية ؟ ربما يستطيع … الرغبة الجنسية لدى المرأة و الرجل مسيطر عليها من قبل الهرمونات , عندما يدفعك شيئ ما لتكون " […]

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