bull giraffe weigh in the region of 1500Kg and this, combined with a 2m long neck, gives them the power and strength they use to the fullest during a fight for mating rights.
There is a systemic (main) heart. Two lesser hearts pump blood to the gills where waste is discarded and oxygen is received. They work like the right side of the human heart. The newly oxygenated blood is pumped back to the main heart and circulated through the body.
Giraffes live primarily in savanna areas in the sub-Saharan region of Africa. Their extreme height allows them to eat leaves and shoots located much higher than other animals can reach. In particular, they seek out acacia trees. Their long tongues are helpful in eating because they help pull leaves from the trees.
A giraffe's heart is 2 feet (0.6 meters) long and weighs about 25 pounds (11 kilograms), and its lungs can hold 12 gallons (55 liters) of air! Its closest relative is the okapi. Giraffes have a small hump on their back and have a spotted pattern similar to that of a leopard.
Among living animals, adult bull giraffes have the longest necks, capable of reaching about 8 feet (2.4 m) long. No other living creature exceeds half this length. For instance, ostriches typically have necks only about 3 feet (1 m) long.
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