Question : In which vertebrate oxygenated and deoxygenated blood gets mixed?
Option 1: Fish
Option 2: Amphibian
Option 3: Bird
Option 4: Mammal
Correct Answer: Amphibian
Solution : The correct option is Amphibian.
The mixing of oxygenated (oxygen-rich) and deoxygenated (oxygen-poor) blood happens in a cardiac region known as the ventricle in reptiles and some amphibians. Because they have a three-chambered heart with a partly split ventricle. Because of this anatomical configuration, some oxygenated and deoxygenated blood may be mixed before being pumped to different areas of the body. However, this mixing is not as widespread as in animals with entirely non-divided (two-chambered) hearts, such as fish. In their four-chambered hearts, mammals and birds have evolved a full separation of oxygenated and deoxygenated blood, allowing for more effective oxygen delivery to tissues and organs.
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Question : Which of the following is a fish?
Option 1: Sliver fish
Option 2: Star fish
Option 3: Dog fish
Option 4: Cuttle fish
Question : Which of the following brings back deoxygenated blood from different parts of the human body to the heart?
Option 1: Veins
Option 2: Arteries
Option 3: Nerves
Option 4: Lungs
Question : Leukaemia or blood cancer is characterised by abnormal increase of the
Option 1: Red Blood Cells
Option 2: White Blood Cells
Option 3: Blood platelets
Option 4: Blood plasma
Question : Which of the following is not an example of an amphibian?
Option 1: Frog
Option 2: Sea horse
Option 3: Salamander
Option 4: Toad
Question : A blood clot is formed because of the presence of certain cells in the blood called:
Option 1: chondrocytes
Option 2: erythrocytes
Option 3: platelets
Option 4: lymphocytes
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