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Mammals have nervous, digestive, circulatory, skeletal, immune, muscular, integumentary, and excretory systems.
The Nervous system.
Organ systems are most complex and fragile starting with the atoms. The most complex organ systems is the organism. In between are the molecules, cell, tissue, organ, and organ system.
The nervous and endocrine systems control the physiologic and metabolic functions of the body.
Not all animals have complex nervous systems. In fact, most lower animals don't even show an organized nervous system. Its only in higher animals like chordates that a proper organized nervous system is seen.
nervous tissue reponses
The endocrine and nervous systems allow your body to regulate body functions. The endocrine system does so through hormones, and the nervous system through nervous impulses.
All mammals have a similar nervous systems. They are like humans, dogs, cats, mice, and rhinoceros.
The endocrine systems work with the nervous system but they have a few different functions. The endocrine systems use hormones not nerves, the endocrine system is slower than the nervous system because it flows through the blood not the nerves, and the endocrine system also has gland and the nervous system does not.
The nervous system.
The nervous and endocrine systems act, in two different ways, to regulate activities and functions. The nervous system uses nerve impulses while the endocrine system uses hormones to chemically regulate organ systems.
The system that works closely is the nervous system