Respiratory system of the cats body |
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-age -exercise -emotion -environmental temperature The normal respiration rate of a healthy, resting, adult cat is 20-30 breaths per minute. with the oxygen that is vital for life. During respiration, the cat draws in air through his nasal passages via his nose and mouth. This air passes through the throat (pharynx) and down the windpipe (trachea), through the bronchi and into the Circulatory system Every body cell needs a su nourishment, and this is achieved the blood, which delivers it a removes waste products from the body. Blood is made up of red cells and white blood corpuscles are contained in a fluid called Plasma. It contains platelets contain a blood-clotting agent in the event of cuts and wound. Red blood cells transport oxygen while white blood corpuscles and transport impurities and be that have invaded the red cells. Incredible journey Blood is continually pumped around the body via the four-char heart, its journey beginning in auricle (upper chamber). Er with oxygen from the lungs, the blood from the left auricle travels it left ventricle (lower chamber), into a great artery — the aorta — its course quickly through arteries and arterioles and intc network of capillaries through, body, distributing its store of and nutrients as it goes. As it are these, the blood collects waste (bacteria, dead blood cell carbon dioxide). Leaving the capillaries, the enters tiny veins (venules) w begins to slow down, fader waste products, before passir the great veins that transport to the lungs to dump its rubbi be replenished with oxyge nutrients. From here it enters heart to repeat its journey. Veins (shown in red) The circulatory system Arteries (shown in blue) Left auricle Heart Left ventricle Right auricle Right ventricle Liver Lungs The major organs Kidneys Heart Why cats are usually sleepy after meals Extra nutrient-rich blood with its nutrients is required by different parts of the body at different times. After a heavy meal, for example, the cat's abdomen draws in extra blood to aid digestion, at the expense of the supply to the brain and other parts of the body. Hence the need of the cat (and indeed other animals) to rest or sleep after eating — the brain is less active and energy is being utilized in digestion rather than in other activities. Pulse Blood passing through the aorta causes its walls to expand, and a pressure wave (pulse) passes down the arteries. In a healthy adult cat at rest, the pulse rate is 160-240 beats per minute, depending on environmental temperature and the cat's emotional state at the time. << Previous Feline Skin and Fur | Back to The feline body | Next >> Kitten Care 
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