BIO 255 EXAM 1 Questions and Answers
(Verified Answers)
1. The pulmonary circuit provides:
Deoxygenated blood flow in the right side of the heart to the lungs
2. The systemic circuit provides:
Oxygenated blood to the rest of the body via the left side of the heart
3. Pulmonary Arteries take blood ______ from the heart and Pulmonary
veins____ blood to the heart
Arteries: Away, **think AA**
Veins: Return blood
4. What is the name of the wall that seperates the left and right heart called?
interventricular septum
5. What are the 4 chambers of the heart?
2 atria (top)
2 ventricles (bottom)
6. Does the heart use blood?
The heart supplies its own blood by coronary circulation
7. Cardiac muscle is
striated,
involuntary,
uninucleate,
intercalated discs,

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