How is sound produced (made) ? 59

How does the heart act? 46

The heart pumps the blood through the vessels by strong contractions of the powerful muscles.

The blood is kept in constant circulation through the vessels by the involuntary, rhythmic contractions of the heart which acts as a double pump.

How does the heart pump the blood? 38 The heart pumps the blood through the vessels by strong contractions of the powerful muscles.

How is arthrology termed in Latin? 19 Arthrology (Arlhrologia), the description of the joints;

How is bird flu spread? 121 Bird flu spreads quickly and lethally within a flock and is inadvertently transported from farm to farm on tractors and other equipment, on cages, and on workers' shoes and clothing.

How is sound produced (made)? 59

Sound is produced when something vibrates. The vibrating body causes the medium (water, air, etc.) around it to vibrate. Vibrations in air are called traveling longitudinal waves, which we can hear. Sound waves consist of areas of high and low pressure called compressions and rarefactions, respectively.

How long are people ill? 152 The incubation period ranges from several hours to two days. Signs and symptoms of salmonella infection generally last four to seven days, although it may take several months for your bowels to return to normal.

How long are the animals ill? 166 The incubation period (the period from bite to onset of illness) on average is 30-50 days, although it may take 10-90 days, in rare cases — more than 1 year. And the farther the bite is from the head, the more the incubation period. Especially dangerous are bites to the head and hands. The longest incubation period after the bite of the feet.

How long are the dogs ill? 140 Duration of the incubatory period at infection with a plague of dogs is 2–3 weeks. After recovery a dog remains a virus carrier.

How many bones and vertebrae of the cat body do you know? 72 Cats have seven cervical vertebrae like almost all mammals, thirteen thoracic vertebrae (humans have twelve), seven lumbar vertebrae (humans have five), three sacral vertebrae (humans have five because of their bipedal posture), and, except forManx cats and other shorter tailed cats, twenty-two or twenty-three caudal vertebrae (humans have three to five, fused into an internal coccyx). The extra lumbar and thoracic vertebrae account for the cat's enhanced spinal mobility and flexibility, compared to humans. The caudal vertebrae form the tail, used by the cat as a counterbalance to the body during quick movements. Between their vertebrae, they have elastic discs, useful for cushioning the jump landings.

Unlike human arms, cat forelimbs are attached to the shoulder by free-floating clavicle bones, which allows them to pass their body through any space into which they can fit their heads.

How many bones of the horse body do you know? What are their functions? 87 Skeleton of the horse consist of 252 individual bones. Functions of the skeleton are: protective the internal organs, seat the soft parts, dot the etceteras muscles.

How many cavities are there inside the body? 42 Oral cavity, anterior cavity, posterior cavity, thoracic cavity

How many cavities does the heart have? How are these cavities termed? 41 The heart has four cavities – the right and the left auricles and the right and the left ventricles.

How many chief parts of the dog body do you know? 79 Details of structures vary tremendously from breed to breed, more than in any other animal species, wild or domesticated, ^[1] as dogs are highly variable in height and weight. The muzzle (foreface) comprised of the upper and lower jaws.

The stop is an indentation (sometimes nonexistent) between the muzzle and the braincase or forehead. Whiskers provide some sensory feeling

How many circulations are there in the mammal? 35 In the mammal there are two circuations, the greater and the lesser, each of which is provided with a heart, but the two hearts are so closely united anatomically that we generally speak of only one heart, dividing it physiologically into the right and left heart.