WebDec 4, 2024 · Nervous systems throughout the animal kingdom vary in structure and complexity, as illustrated by the variety of animals shown in Figure 42.1. 1. Some organisms, like sea sponges, lack a true nervous system. Others, like jellyfish, lack a true brain and instead have a system of separate but connected nerve cells (neurons) called a “nerve … Web4 rows · Nov 23, 2015 · The nervous system is a network of neurons whose main feature is to generate, modulate and ...
Parts of a Neuron and How Signals are Transmitted
WebDec 12, 2024 · The central nervous system is made up of the brain and spinal cord. It gathers information from all over the body and coordinates activity. We explore the types … WebAug 22, 2024 · The human body can achieve an understanding of the world through its sensory systems. Sensory systems are widespread throughout the body including those that detect the world directly from the outside (exteroreceptors), those that detect information from internal organs and processes (interoceptors), and those detecting sense of … product liability attorney pulaski county
Tissues, organs, & organ systems (article) Khan Academy
WebDec 2, 2024 · The human body systems. Different organs can work together to perform a common function, like how the parts of your digestive system break down food. We refer to an integrated unit as an organ ... WebSep 4, 2024 · It sends messages between parts of the nervous system and between the nervous system and other organ systems via chemical messengers called neurotransmitters. Figure 10.6.2: The figure illustrates the hypothalamus, pituitary gland, brain stem, spinal cord, cerebellum, pineal gland, and cerebrum. The endocrine system … WebSep 23, 2024 · The peripheral nervous system (PNS) is the connection between the central nervous system and the rest of the body. The PNS can be broken down into the autonomic nervous system, which controls bodily functions without conscious control, and the sensory-somatic nervous system, which transmits sensory information from the skin, … relatively equal