portage learning bio 152.. Module 4 Exam - Requires Respondus LockDown Browser + Webcam_ Essential Human Anatomy & Physiology I. Questions with accuarate answers, graded A+

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The circulatory system is response for which of the following functions? Supply cells with oxygen Transportation of gases Rid cells of waste Prevents loss of blood All the above Correct! Q 2 / 2 ... pts uestion 2 The heart is contained in the _______ cavity. Pericardial Correct! Pleural Septal Rectoperineal Ques 2 / 2 pts tion 3 Which layer of heart is composed of the contractile cardiac muscle? Pericardium Endocardium Myocardium Correct! Mediastinal Ques 4 / 4 pts tion 4 Your Answer: What is the purpose of the fossa ovalis in a fetus? This allows blood flow between the chambers without having to go through the underdeveloped lungs. The fossa ovalis marks the place of an opening between the atria which is present in all developing fetuses. It allows fetal blood to move directly from right to left atrium, bypassing he undeveloped lungs. The fossa ovalis closes during birth so that the lungs can receive oxygen once the baby is born. Ques 10 / 10 pts tion 5 Label the figure below (A-E): A: B: (In blue) C: D: E: [Show More]

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