ANIMAL REPRODUCTION & DEVELOPMENT Dr Ilma • The two earthworms in this picture are mating • Each worm produces both sperm and eggs, which will fertilize – And in a few weeks, new worms will hatch Asexual And Sexual Reproduction • Both occur in the animal kingdom • Asexual reproduction is the creation of new individuals – Whose genes all come from one parent • Sexual reproduction is the creation of offspring – By the fusion of male and female gametes to form a zygote Mechanisms
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YourFirstName YourLastName Instructor's Name Course Title 16 December 2015 Lymphatic And Immune System The Lymphatic System Anatomy The lymphatic system is closely related to the cardiovascular system. It is composed of lymphatic vessels, lymphoid tissues and organs, and lymph. The lymphatic vessels are composed of capillaries, collecting vessels, and trunks (Klein, 2010). Lymphatic capillaries drain into the collecting ducts that drain into the trunks. The trunks drain
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Chapter 5: The Skeletal System 1. List six functions of the skeleton. a. Support b. Movement c. Protection d. Storage of minerals e. Fat storage f. Blood cell production 2. Compare compact and spongy bone. Compact bone is dense bone with very few spaces and is covered by a nourishing membrane called the periosteum. Spongy bone is identified by its many spaces that are filled with red bone marrow, which produces red blood cells. 3. Describe the structure of a long
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Abstract Alzheimer's disease involves cognitive disorders and problems with abstract reasoning in older people mostly. Alzheimer's disease has many behavioural and emotional characteristics which affects the victims of Alzheimer, as well as their families and those who care for them. The exact cause of Alzheimer is still not clear to us, not even after all these years of research. Till now, all we know is that a small proportion of Alzheimer’s disease is inherited, many scientist believe that
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March 26, 2014 the Zaire ebolavirus(EBOV) was confirmed to be the cause of the outbreak in West Africa. Up until 2014 this species had only been located in Gaban, Republic of the Congo, Central Africa, and Democratic Republic of the Congo. EBOV is considered the most deadly of the five known species of Ebola, holding true with approximately 11,000 deaths of approximately 28,000 reported cases from the start of the outbreak in March of 2014 to the present. Unfortunately there is no magic pill or cure
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Rheumatoid Arthritis (RA) is a musculoskeletal and autoimmune disease, which causes the body’s immune system to target and attack primarily its own joints and joint linings (Brodwin, Tellez, & Brodwin, 2009, p. 124). Since RA is a systematic disease, it affects the body as a whole, and is not limited only to joints. The inflammation and pain can spread from the joints, into the cartilage, connective tissue, and ultimately into adjacent organs (Cush, Kavanaugh, & Stein, 2005, p. 323). After the initial
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than ,people who have not used the drug, in actives which require cognitive function and memory. Ecstasy also increases the users heart rate and blood pressure, this can cause a heart attack or stroke for people who have a pre-existing heart or circulatory problems. A heart attack and a stroke are also possible among healthy ecstasy users who don't properly hydrate or care for themselves and engage in excessive dancing and partying for hours or even days at a time. Another dangerous thing that ecstasy
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is composed of 11 major organ systems.The circulatory, respiratory, digestive, excretory, nervous, endocrine, immune, integumentary, skeletal, muscular, and reproductive systems. Though all other body systems are designed to do their own specific tasks, only one is responsible for the functioning of all other systems that are throughout the body . The nervous system is that system.The nervous system is made from two main parts. The central nervous system, that’s made up of the brain, the brainstem
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Biology revision – understanding ourselves B1
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Cells, Tissues and Body Systems P2 Nervous Tissue A number of components make up the nervous system and these are also composed of the nervous tissue. The nervous tissue performs an imperative part in the fact that it is in charge for accepting, distributing and handling sensory input. It can be found in the three main areas of the nervous system which are the brain, nerves and the spinal cord. The nervous system contains two significant parts which are defined as peripheral and central.
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