In which chamber of the human heart the blood is low in oxygen ?
- Right atrium
- Right ventricle
- Left atrium
- Right atrium and Right ventricle
The Correct Option is A
Solution and Explanation
To solve the problem, we need to identify which chamber(s) of the human heart contain blood that is low in oxygen (deoxygenated blood).
1. Understanding Blood Circulation in the Heart:
- The human heart has four chambers: right atrium, right ventricle, left atrium, and left ventricle.
- Deoxygenated blood from the body returns to the right atrium through the superior and inferior vena cava.
- This deoxygenated blood is then pumped into the right ventricle, which sends it to the lungs via the pulmonary artery for oxygenation.
- After oxygenation in the lungs, the oxygen-rich blood returns to the left atrium and is then pumped into the left ventricle to be circulated throughout the body.
2. Chambers with Low Oxygen:
Both the right atrium and the right ventricle carry blood that is low in oxygen.
Final Answer:
The correct answer is \( {\text{Right atrium and Right ventricle}} \).
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- What is the liquid portion that forms after the blood clot?
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(B) Ascariasis pathogens are transmitted to a healthy person through the bite by female mosquito vectors.
(C) Entamoeba histolytica is a helminth parasite in the small intestine of humans, causing amoebiasis.
(D) Malarial parasite reproduces asexually in the gut of the mosquito.
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A. $I^B i/I^A i/ii$
B. $I^B I^B /I^A I^A /ii$
C. $ I^A I^B /iI^A /I^B i$
D. $I^A i/I^B i/I^A i$
E. $iI^B /iI^A /I^A I^B$
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