The body covering of a millipede is chitin. Skin is the human body's outer covering. The body covering is molt I don't know what it is. Marsupials have a body covering of fur. Log in. Cows and Cattle.
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When was the Triangle Shirtwaist Factory fire. Q: What is the body covering of a cow? Write your answer Related questions.
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Because of this unique oral anatomy, a cow uses its tongue to grasp a clump of grass and then bite it off. Teeth in the back of the mouth known as molars are located on the top and bottom jaws. Plant materials sometimes contain tough stems, but because a cow chews food in a side-to-side motion, the molars shred the grass into small pieces that are more easily digested. Diagram 1. Diagram 2. Use the letters that label the stomach parts in Diagrams 1 and 2 to identify the similarities and differences between the two stomachs.
Notice that the letters do more than identify the structures; they also map the path food travels on its digestive journey. In the cow, rather than having a single pouch, there are four interconnected pouches, each with a unique function. When a cow first takes a bite of grass, it is chewed very little before it is swallowed.
This is a characteristic feature of the digestion in cows. Imagine a large gallon trashcan. In a mature cow, the rumen is about the same size! Its large size allows cows to consume large amounts of grass. After filling up on grass, cows find a place to lie down to more thoroughly chew their food. The reticulum is directly involved in rumination.
See Figure 1 for a close-up look. With a simple stomach, the dog, and even man, cannot digest many plant materials. In fact, millions of tiny organisms mainly bacteria naturally live in the rumen and help the cow by breaking down plant parts that cannot be digested otherwise. These tiny organisms then release nutrients into the rumen. Some nutrients are absorbed right away; others have to travel to the small intestine before being absorbed.
In Figure 2, notice that the rumen wall resembles a shag carpet or the imitation wool on the inside of a winter coat. The papillae give the rumen wall this texture. The next pouch in the stomach is the omasum letter D, Diagram 1. This pouch acts like a giant filter to keep plant particles inside the rumen while allowing water to pass freely.
By keeping grass pieces and other feed inside the rumen, bacteria have more time to break them down, providing even more nutrients for the cow. Figure 3 shows the multiple layers of the omasum. After the grass pieces and other feed are broken down to a small enough size, they eventually pass through the omasum and enter the abomasum letter E, Diagram 1.
The abomasum, then, is located just beyond the omasum. This illustrates a similarity in function.
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