The limbic system is a set of brain structures involved in the control of emotions, long-term memory, behavior, and olfaction [1]. It is made of the following structures: 1. What Is the Function of the Limbic Lobe? The limbic lobe is a vital region of the brain involved in emotion, learning, memory, and motivation [2]….
Cranial nerves arise from the brain as 12 pairs and function as relays of information between the brain and other parts of the body. They are numbered using roman numbers from I-XII: 1. What Is the Function of the Olfactory Nerve? The olfactory nerve or cranial nerve I is the shortest cranial nerve and is…
There are several diseases that affect the endocrine system, and the most common ones are: 1. What Is Diabetes? Diabetes is a chronic disease characterized by the presence of a high level of glucose in the blood due to the lack of insulin production by the pancreas or the reduced capacity of tissues to use…
Endocrine glands are groups of cells that secrete hormones (chemical substances) in the bloodstream to regulate the function of cells and tissues in the body [1]. The major glands of the body are: 1. What Is Pineal Gland? The pineal gland is a small endocrine gland which shape looks like a pinecone and is located…
There are several parts of the brain where memories are stored depending on the type of memories: Explicit Memories are long-term memories that are stored in the following brain structures: Implicit Memories are long-term memories that are stored in the following brain structures: Working Memory and short-term memory are stored in the following brain structure:…
A balance issue is a feeling of being unsteady, dizzy, confused, floating, spinning, or lightheaded. There are many disorders and conditions that cause balance issues: 1. Which Part of the Body Controls Balance? The body balance is controlled by different systems and organs including the inner ears, vision, touch, and muscles [1]. The inner ear…
The following diseases and conditions are the leading causes of blindness and low vision: In the United States, more than 4.2 million individuals are considered by the Social Security Administration (SSA) to be legally blind or have a low vision [1]. 1. How Is the Structure of the Eye Related to Its Function? The eye…
There are 4 lobes on each hemisphere of the brain: the frontal lobe, the parietal lobe, the temporal lobe, and the occipital lobe. Each lobe performs specific functions in the brain. 1. What Is the Frontal Lobe and Its Function? 1.1. What Is the Structure of the Frontal Lobe? The frontal lobe is situated at…
Viral infections of the brain can cause brain inflammation, known as encephalitis, associated with the following viruses [1]: Encephalitis mainly manifests with the following symptoms that develop over several days: 1. What Is a virus? A virus is a very small infectious agent that hijacks the cellular machinery of organisms to achieve its multiplication and…
A bacterial infection is the invasion and multiplication of bacteria in the body tissues causing damage and immune reactions [1]. The most common bacterial infections are: 1. What Are Bacteria? Bacteria are unicellular microorganisms, and therefore, cannot be seen by the naked eye [2]. They are also known as prokaryotes and are found everywhere around…
