Medulla oblongata

Gastrointestinal Tract This essay will be reviewing the gastrointestinal tract (GI tract), looking at the components and their functions. It will explore how the system works, how it can be assessed by a clinician and the ethical and practical issues related to when assessing the GI tract. In relation to this, I will also be analysing how the endocrine system and autonomic system correlate to the gastrointestinal tract. How it functions Marieb (2016) states that the gastrointestinal tract…

The Respiratory System’s Vital Role in the Human Body Lakessia Dumas Dominque Johnson Lashonda Johnson Jessica Mager Keyaira Studvent Dorsey School Of Nursing Abstract The human lungs are amazing feats of nature; they help us pump vital oxygen through airways and into the bloodstream every second of the day. Without this ability, humans could not survive on Earth. This paper explores the major parts of the respiratory system, the main purpose and how it plays a crucial role in the human…

What is the central nervous system? It’s a system which consists of the nerves in the brain and spinal cord. It gathers information about and reacts to internal and external stimulus. Don’t Shoot the Messenger Much of the CNS is made up of neurons. Each neuron has a cell body, which includes a soma with a nucleus, a nucleolus, a cytoplasm called the perikaryon, and wide branching extensions called dendrites. Dendrites are like antennae which receive signals from other neurons or body cells.…

Cardiovascular diseases are conditions that pertain to the heart and blood vessels that interfere with the normal functions of the body. Arteries are blood vessels that carry blood away from the heart. The heart then acts as a pump and provides blood to all parts throughout the body. Occlusion due to plaque buildup interferes with blood flow. The arteries begin to narrow and blood flow is restricted to the brain. Brain cells are deprived of oxygen and begin to die resulting in a cerebrovascular…

(The nervous system Louisa Idzal) The nervous system is all connected because it’s a web of nerve cells and fibers that all send nerve impulses throughout and between body parts. The nervous system is really important because it’s in charge of sending messages to the spinal cord and brain to and from all parts of the body. Main organs of the nervous system are Nervous Tissue, Brain, Spinal Cord, Nerves, Sense Organs, and the Cerebrospinal Fluid. The nervous tissue is the main tissue of the…

The spinal cord is ¾ of an inch wide and 42-45 centimeters in length. It extends inferiorly from the medulla oblongata to the inferior border of the L1 vertebrae. The spinal cord is divided into 5 parts that house the 31 pairs of spinal nerves. The cervical part is the superior part of the spinal cord. It contains neurons whose axons contribute to the 8 pairs of cervical spinal nerves. The thoracic part lies inferior to the cervical part. It houses the neurons for the 12 pairs of thoracic spinal…

the brain and spinal cord. The PNS holds cranial nerves, spinal nerves and peripheral ganglia. According to Farley, Johnstone, Hendrey and McLafferty (2014), the brain is portioned into six different sections. These divisions consist of the medulla oblongata, pons, midbrain, cerebellum, diencephalon, cerebrum. According to James W. Kalat these divisions are then categories further into four lobes known as the frontal lobe, the…

Important Vocabulary (highlighted in the handout): Stimulus, neurons, dendrites, neurotransmitters, axon, myelin, action potential, graded potential, transmembrane potential, neuroglia, cerebrum, spinal cord What is the central nervous system? It’s a system which consists of the nerves in the brain and spinal cord. This system only makes up about 3% of a human’s body weight but serves a vital function, gathering information about and reacting to its environment and any stimulus. Don’t Shoot the…

I. Introduction The human respiratory system allows cells to have indirect contact with the external environment through gas exchange. This association permits cells to exchange metabolic by-products like carbon dioxide for oxygen. These oxygen molecules are a vital component for cellular metabolism and ATP production. Furthermore, the function of the respiratory system also encompasses homeostatic regulation of pH levels based on partial pressure of oxygen and carbon dioxide. Changes are…

The respiratory system is a vital factor of gas exchange due to its structure. The structure provides an efficiency to the process due gas exchange requiring an efficient system. Gas exchange requires an efficient system because it is a process through which blood circulates around the body, collects oxygen, delivers the oxygen to the organs that require it and releases carbon dioxide. Oxygen enters the body, and carbon dioxide exits the body in opposite the direction. Gas exchange occurs across…