Question

Kidneys, lungs, gills, and sweat glands are parts of the of______ system in animals.
A. Digestive
B. Excretory
C. Blood circulation
D. Nervous

Answer 1

Hint: The urine produced and filtered blood from the urinary tract is a part of the kidney. In the fish, amphibians, mollusks, and crustaceans are aquatic animals in which the gill organs are located at the different parts of the body. In mammals, cats, dogs some sweet glands are found but not a large number of sweat glands found in humans.

Complete answer: In the kidney the major excretory organ is present and the rectum, lungs, urethra, and sweat glands are the other major organs present in it. The production of liquid waste and stored in the muscular bladder with the help of the kidney. The capillary walls found into the tubes in which substances move from the blood by the blood flow through the capillaries. The urinary bladder is present outside of the body and connects with the urethra tube. And the urethra system present in both the female and male body systems. The passage of the semen done with the help of the urethra. Merocrine sweat glands and apocrine sweat glands are the two different types of glands found in it. Muscles cells present in both glands. The left lung is divided into two lobes and the right with three lobes in the human lungs and absorbs the water vapor obtained during the breath. Eight inches long rectums present in the body that help to serve the storage for poop.
Therefore the correct option is (B).

Note: Retroperitoneal position in which kidney pairs are found and positioned to the cardo dorsal abdomen. In the grass cutter and pig, the right kidney is not cranial except for the other species. Oxygen helps to carry the blood to various parts of the body and the thin wall of the gill tissues passes the carbon dioxide into the water. The lots of sweat glands primates in the horses, monkeys, and apes.