Learning Outcomes By the end of this section, you should be able to: Neurotransmitters Neurotransmitters play a crucial role in the communication between neurons in the nervous system. Neurotransmitters are chemical messengers that transmit signals across the chemical synapses, enabling various…
Learning Outcomes By the end of this section, you should be able to: Overview of the Nervous System and Neurons Within the PNS, the autonomic nervous system (ANS) controls involuntary processes and regulates vital functions such as heart rate, digestion,…
Learning Outcomes By the end of this section, you should be able to: The Nervous System The nervous system is composed of the central nervous system (CNS) (i.e., the brain and the spinal cord) and the peripheral nervous system (PNS) (i.e., the…
Figure 9.1 The nervous system, the body’s control center, consists of the brain, the spinal cord, and a very complex system of nerves. (attribution: Copyright Rice University, OpenStax, under CC BY 4.0 license) Chapter Outline 9.1 Introduction to the Nervous System 9.2 Structure and…
This chapter provided a comprehensive understanding of the immune system and immunity, its significance in disease prevention, and the importance of vaccination. It explained the differences between natural and active acquired immunity as well as active and passive immunity. The…
Learning Outcomes By the end of this section, you should be able to: Inflammation, the body’s complex response to harmful stimuli, plays an important role in the immune system’s defense against injury and infection. This section of the chapter explores…
Learning Outcomes By the end of this section, you should be able to: This section of the chapter will delve into the realm of therapeutic agents used to manage various autoimmune diseases and conditions. Immunosuppressants are drugs that suppress the immune system,…
Learning Outcomes By the end of this section, you should be able to: Vaccine-preventable diseases are infectious illnesses caused by viruses or bacteria that can be effectively prevented using vaccines, which stimulate the immune system to develop specific immunity against these…
Learning Outcomes By the end of this section, you should be able to: The Immune System The immune system is a complex and sophisticated defense mechanism that protects the human body from harmful pathogens, such as bacteria, viruses, and other…
Figure 6.1 The immune system is a complex network of cells, tissues, and organs that work together to protect the body from harmful substances, such as pathogens. (attribution: Copyright Rice University, OpenStax, under CC BY 4.0 license) Chapter Outline 6.1 Introduction to Immunity…