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A lymph heart is an organ which pumps lymph in lungfishes, amphibians, reptiles, and flightless birds back into the circulatory system. [1] [2] In some amphibian species, lymph hearts are in pairs, and may number as many as 200 in one animal the size of a worm, while newts and salamanders have as many as 16 to 23 pairs of lymph hearts.
The circulatory system of the horse consists of the heart, the blood vessels, ... The horse hoof contains a structural component known as the "frog", which covers the ...
The frog also acts like a pump to move the blood back to the heart, a great distance from the relatively thin leg to the main organ of the circulatory system. [citation needed] In the stabled horse, the frog does not wear but degrades, due to bacterial and fungal activity, to an irregular, soft, slashed surface.
Frogs range in size from the 30-centimetre (12 in) ... Circulatory system. Juvenile amphibian circulatory systems are single loop systems which resemble fish.
The frog also acts like a pump to move the blood back to the heart, a great distance from the relatively thin leg to the main organ of the circulatory system. In the stabled horse, the frog does not wear but degrades, due to bacterial and fungal activity, to an irregular, soft, slashed surface.
The spring peeper is a tan or brown frog with a dark cross on its dorsa (thus the Latin name crucifer, meaning cross-bearer [7]), though sometimes the marking may be indistinct. [ 8 ] [ 9 ] Dark lines can also be found between the eyes and in a crossband on the hindlimbs of P. crucifer . [ 10 ]
The hoof (including the frog - the V-shaped part on the bottom of the horses hoof) is a very important part of the circulatory system. As the horse puts weight onto the hoof, the hoof wall is pushed outwards and the frog compressed, driving blood out of the frog, the digital pad, and the laminae of the hoof.
Pulmocutaneous circulation is part of the amphibian circulatory system. It is responsible for directing blood to the skin and lungs. It is responsible for directing blood to the skin and lungs. Blood flows from the ventricle into an artery called the conus arteriosus and from there into either the left or right truncus arteriosus .