are protected by the ribs and the vertical column protects the spinal cord. For example you will see this happen in many sports such as boxing‚ the skull protects the brain from impact of a punch during a fight. Support/ Shape: The skeletal system gives the human body structure. It supports the internal organs that are held within the body in a network of tissue. Bones give us form. In sports support and shape are also used for example in a rugby scum‚ to body needs to be placed in
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When the coffee is finished‚ our coffee maker’s beeping creates pressure changes‚ which move away from the machine and radiate to the individual’s location across the room. The waves reach the outer ear‚ which contains structures known as the pinnae‚ angled such that sound waves bounce off them and resonate. They enter the auditory canal after being significantly amplified before reaching the tympanic membrane. The waves strike the membrane and cause it to vibrate‚ which subsequently transmits them
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The musculoskeletal system helps the body by giving it shape and form. Without bones and muscles‚ a human would not be able to live very long because the bones protect the organs and the muscles help the body move. Although many people go through their whole life without having a single problem with this system‚ there are many diseases that make everyday life seem like just another hurdle they have to get over. A muscle disease is Central Core Disease (CDC). CDC is a rare genetic disease from birth
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INTEGUMENTARY SYSTEM FUNCTIONS 1. Covering and protection 2. Secretion (cutaneous gland) 3. Excretion of metabolic wastes (cutaneous gland) 4. Sensation (presence of nerve endings and tacticle) 5. Respiration – in frog 6. Absorption – in frog 7. Regulation of body temperature HOMOIOTHERMOUS ANIMALS- warm blooded animals or those with regulated body temperature because of their heat-conserving body. POIKILOTHERMOUS ANIMALS - cold blooded animals whose body temperature closely follows
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Structures and functions of the Digestion System This essay aims to explain the structure and functions of the digestion system‚ starting from consuming a cooked dinner to chemical and physical changes within the body‚ to prepare or help absorption of vital nutrients and help disposal of waste. The structure of the digestive system starts with the gastrointestinal tract‚ it is a tube that runs from the mouth to the anus and because of this some scientist says it is an external organ; there
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Anatomy of the Respiratory System Nose and Nasal Cavity The nose and nasal cavity form the main external opening for the respiratory system and are the first section of the body’s airway—the respiratory tract through which air moves. The nose is a structure of the face made of cartilage‚ bone‚ muscle‚ and skin that supports and protects the anterior portion of the nasal cavity. The nasal cavity is a hollow space within the nose and skull that is lined with hairs and mucus membrane. The function
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The endocrine system is very dynamic and has ties to most‚ if not all of the other major systems of the body. It is responsible for production of hormones and the regulation of them as well. These hormones act as chemical messengers within the body. Through several differing mechanisms‚ they are able to trigger very specific responses in target cells or organs. This is what enables the endocrine system to guide growth‚ development‚ reproduction‚ and behavior‚ among many others as well.
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-We have 2 parts in our nervous system: The central nervous system (CNS) is the nerves in our brain and spinal chord. The peripheral nervous system (PNS) is a network of nerve cells in the rest of our body. -Our nervous system detects stimuli and allows us to react to them. -Stimulus: a change‚ action or occurrence in the environment that can cause an organism to respond. Eg. Light‚ noise‚ pressure… How do we detect stimuli? -We have sensory organs that detect particular stimuli eg. Skin What
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Respiration §The act or process of inhaling and exhaling §Functions of Respiratory System §Gas exchange between blood and air §Move air to and from exchange surfaces §Protect exchange surfaces from environmental variations and pathogens §Produce sound §Detect olfactory stimuli Types of respiratory organ §1. Aquatic respiration §A. cell membrane – amoeba‚ paramecium §C. gills – mollusks and arthropods §1. papulae – finger-like dermal branchiae §Eg. Starfish
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Exercise No. Respiratory System I. Introduction Oxygen is a very important element which our body needs. Without oxygen life is not possible without oxygen which helps in producing energies that our body cells need. But‚ how do we acquire this oxygen needed by the body? It is by the process called Respiration. Respiration is a process of taking in and out of air from the body. There are two kinds of respiration called cellular respiration and external respiration. Cellular respiration
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