Different Organ Systems In The Human Body – Abdominal wall Peritoneum Abdominal spleen Liver Pancreas Small intestine Large intestine Kidney and ureter Nerves, vessels and intra-abdominal lymphatics.
Pelvic girdle and floor Female pelvis and reproductive organs Male pelvis and reproductive organs Urinary bladder and urethra Perineum nerves, vessel and pelvic lymphatics.
Different Organ Systems In The Human Body
Overview of the skull Face and scalp Infratemporal region and pterygopalatine fossa Orbit and contents Nasal region Ear Oral cavity Teeth Pharynx Neck.
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Overview Cerebrum Diencephalon Cerebellum Brainstem Meninges, ventricular system and subachnoid space Brain blood supply Spinal cord Nervous system pathways Cranial nerves Peripheral nervous system
Cardiovascular (nervous) system Nervous system Integrated system Musculoskeletal system Respiratory system Urinary system Endocrine system Digestive system Lymphatic system Male reproductive system Female reproductive system
The Human Body is a biological machine made up of body systems; A group of organs that work together to produce and sustain life. Sometimes we get lost studying cells and molecules and can’t see the forest for the trees. It can be helpful to step back and look at the bigger picture of the body.
This topic page gives you a quick introduction to the human body systems, so each part you learn later adds a great deal of structure to the basic concepts you’ve learned here.
Set Of Human Organs And Systems Of The Body Vitality Stock Vector Image & Art
Production of hormones to control various body functions (eg menstrual cycle, sugar levels, etc.).
The skeletal system consists of bones and cartilages. There are two parts of the skeleton; axial and appendicular. Axial skeleton consists of head and thigh bones. The appendicular skeleton supports the bones in the legs, as well as the abdominal and pelvic girdle.
There are 206 bones in the adult human body. The place where two bones fit together is called a joint or joint. Joints are supported by cartilage and strengthened by ligaments. The functions of the skeletal system are mechanical support, movement, protection, blood cell production, calcium storage and endocrine regulation.
The organs of the system are adapted to the function of the organ they support. Therefore, the anatomy of bones, joints and ligaments as a topographical study; Head and neck, chest, abdomen, upper and lower legs.
Human Body Organ Systems Realistic Educative Anatomy Physiology Front Back View Flashcards Poster Vector Illustration Stock Vector By ©mariaaverburg 193616344
The muscular system includes all the muscles of the body. There are three types of muscles; Smooth, cardiac and skeletal muscles. Smooth muscle is found in the walls of blood vessels and open organs such as the stomach or intestines. Cardiac muscle cells form the heart muscle, also called pseudo. Skeletal muscles are attached to the bones of the body. Among these three, only the skeletal muscles allow us to consciously control and produce body movements, while the function of the other two types of muscles is controlled by the automatic nervous system and is unconscious.
Histologically, skeletal and cardiac muscle fibers are arranged in a repetitive pattern, which is called striated muscle.
Learn all about the muscular system in the study section below or reinforce what you’ve learned with our fully customizable quiz.
Cardiovascular system includes the circulatory system of the heart and blood vessels. The heart is composed of four parts; Two atria and two ventricles. Blood enters the heart through the left and right ventricles and exits through the left and right ventricles. Heart valves prevent bleeding.
Organs And Systems Of The Human Organism
The heart works as a two-way pump. The right side of the heart pumps deoxygenated blood into the pulmonary circulation, where the blood is re-oxygenated. The left side of the heart simultaneously pumps the oxygenated blood into the systemic circulation and distributes it to the tissues. The normal pump or heartbeat is controlled by the cardiac conduction system.
The circulatory system, also called the vascular system, consists of arteries, veins, and veins. They all consist of a series of vessels that work to carry blood around the body. Blood leaves the heart through arteries, which gradually decrease in size and continue as small arteries (arterioles). Arterioles end in even smaller vessels called capillaries. The exchange of gases and nutrients occurs through the capillary walls.
Small veins called venules emerge from the capillaries and gradually increase their brightness on the way to the heart and end up as veins. There are some histological differences between arteries and veins, but their main functional difference reflects the direction in which they carry blood: arteries carry blood from the heart to the periphery, while veins carry it from the periphery to the heart.
The main arteries in the systemic circulatory system are the aorta and their branches, and the main representatives of the veins are the superior vena cava and the inferior vena cava.
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The main functions of the cardiovascular system include transporting oxygen, nutrients, and hormones throughout the body through the bloodstream, as well as removing carbon dioxide and other metabolic waste products.
The respiratory system has a series of organs; Nasal cavity, pharynx, larynx, trachea, bronchi, bronchi and lungs (alveoli). The nostrils and pharynx together are called the upper respiratory system, while the rest of the body comprises the lower respiratory system.
With the help of the respiratory organs (mainly the diaphragm and intercostal muscles), the respiratory system directs air to the lungs, except for the alveoli.
After air enters the lungs, it enters the alveoli (space for gas exchange) and meets the blood transported by the pulmonary circulation. Here, carbon dioxide is removed, and oxygen is returned to the blood. Therefore, the main function of the respiratory system is to bring oxygen into the body and expel carbon dioxide.
Circulatory System: Anatomy And Function
The nervous system controls how we interact with and respond to our environment by controlling the function of other organs in our body systems. The organs of the nervous system are the brain, spinal cord and sensory organs. These are connected by nerve cells that transmit nerve signals around the body.
Morphologically and geographically, the nervous system is divided into central (CNS) and peripheral (PNS) nervous systems. Functionally, the nervous system is considered as two parts; The somatic (SNS) or voluntary nervous system, and the autonomic (ANS) or involuntary nervous system.
The definition of the central nervous system is to receive information from the body’s environment and generate instructions to control all the movements of the human body. This two-way information flows to the CNS via the nervous system.
The CNS consists of the brain and spinal cord. The brain is housed in the neurocranium, and is made up of the cerebrum, cerebellum, and brainstem (pons and medulla oblongata). The central parts of the CNS are occupied by spaces called ventricles, which are filled with cerebrospinal fluid (CSF). The spine is located in the spine. The spinal canal extends through the central part of the spine. It is also filled with CSF and connects to the ventricles of the brain.
Organs And Function Of The Digestive System
The CNS is made up of neurons and their processes (axons). Gray matter is made up of neuron cell bodies, located in the cerebral cortex and the central part of the spinal cord. White matter is made up of axons, which connect and build nerve pathways. The gray thing is what the instructions generate and the white is the way the instructions go to the components.
The definition of the peripheral nervous system is that it carries information from the CNS to target tissues and from the target tissues to the CNS. It consists of nerves and their ganglia. Nerves that carry information from peripheral sensory organs (eg, eyes, tongue, nostrils, ears, skin) to the CNS are called ascending, efferent, or sensory nerve fibers. Fibers that carry information from the CNS to the periphery (muscles and glands) are descending, efferent, motor, or secretory nerve fibers.
A ganglion is a collection of nerve tissue outside the CNS, made up of neuronal cell bodies. Ganglia can be both sensory and autonomic. Sensory ganglia are associated with spinal nerves and some cranial nerves (V, VII, IX, X).
Peripheral nerves arise from the CNS. There are 12 pairs of cranial nerves that arise from the brain and 31 pairs of spinal nerves that arise from the spinal cord. Cranial nerves are named from I to XII, according to their place of exit from the skull (front to back). Spinal nerves are divided into 8 cervical, 12 thoracic, 5 lumbar, 5 sacral and 1 coccygeal nerve depending on the level of the spinal cord where they arise. Nerves in certain parts of the body connect to each other, forming nerve networks called plexuses. Popular plexuses are:
Introduction To Organ Systems
The somatic nervous system (SNS) and autonomic nervous system (ANS) are parts of the peripheral nervous system that transmit information through the cranial and spinal nerves.
The definition of the somatic nervous system is that it allows for voluntary control of our movements and reactions. It transmits sensory and motor information between the skin, sensory organs, skeletal muscles and CNS; The human body establishes a relationship with the environment and responds to external stimuli. The major somatic nerves include the median nerve, sciatic nerve, and femoral nerve.
The definition of the autonomic nervous system means that it controls all internal organs through the unconscious.
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