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i) This is a group of organs Whose functions are coordinated and synchronized to perform the same function.
ii) Organ systems in animals include:
a) Digestive system composed of organs such as oesophagus, stomach, intestines and their associated glands.
b) Circulatory system composed of the heart, blood vessels (arteries, veins, capillaries). c) Excretory this is composed of kidney, liver, and blood vessels.
d) Respiratory system composed of trachea, bronchus, and lungs.
e) Reproductive system composed of the reproductive organs and associated glands.
f) Nervous systems composed of the brain, spinal cord, eye, ear organs.
Anganifelix answered the question on May 8, 2018 at 11:42
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