LYMPHATIC
LYMPHATIC SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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4
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Detailed explanation-1: -The four-chambered heart has a distinct advantage over simpler structures: It allows us to send our “dirty” blood to the cleaners-the lungs-and our “clean” blood to the rest of the body without having to mix the two. That system is very efficient.
Detailed explanation-2: -The heart is made up of four chambers. The upper two chambers are called atria (singular: atrium) and the lower two are known as ventricles (singular: ventricle). Muscular walls, called septa or septum, divide the heart into two sides.
Detailed explanation-3: -The heart of mammals and birds is four-chambered, while fishes have two-chambered hearts and amphibians and reptiles have three-chambered hearts. The hearts of birds and mammals are: Q.