flowers are usually composed of four organs
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- In each of these whorls are one of four organs, including petals, sepals, stamens, and pistils. Petals and sepals do not play an active role in the reproductive process. Stamens and pistils, the flower's male and female reproductive organs, do aid in reproduction.
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plant structure bi 1 The plant body consists of two basic parts--- the shoot system and the root system. 2  Shoot system is above ground and includes organs such as leaves, buds, stems, flowers, and fruits.  The functions of the shoot system include photosynthesis, reproduction, storage, transport, and hormone production.
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Flowering Plants Flowering Plants. A flower is the reproductive organ of all flowering plants. A single flower produces egg and sperm and the entire process of fertilization in plants occurs inside the flower. A single flower gives rise to fruit and seeds.
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How Does a Lily Pollinate? Flowers in the lily family usually have six equal-sized petals that form a showy, trumpet-shaped flower. Often the petals are curved back to reveal six long stamens and a style that protrude from the flower's throat. These are the flower's reproductive organs involved in pollination.
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- Your skin is an organ-it's made of multiple layers of epithelial tissue. Your heart is an organ-made up of epithelial, muscle, nervous, and connective tissues. Organs working together to perform a function are called an organ system. There are 10 major organ systems in your body. One is the digestive system.rgans, and organs work together to. make organ systems, which work. together to keep your body. functioning. The digestive system helps the body get the nutrients it needs from food. First, chemicals break food down into nutrients. then, nutrients are moved into the blood.
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Organ (anatomy) In biology, an organ or viscus is a collection of tissues joined in a structural unit to serve a common function. In anatomy, a viscus /ˈvɪskəs/ is an internal organ, and viscera is the plural form. Organs are composed of main tissue, parenchyma, and sporadic tissues, stroma.The main tissue is that which is unique for the specific organ, such as the myocardium, the main tissue of the heart, while sporadic tissues include the nerves, blood vessels, and connective tissues.Functionally related organs often cooperate to form whole organ systems.he main tissue is that which is unique for the specific organ, such as the myocardium, the main tissue of the heart, while sporadic tissues include the nerves, blood vessels, and connective tissues.
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Ovary of a Flower: Function & Definition A flower is the reproductive structure of many plants. It usually has four main parts. The carpel is the female reproductive structure that produces eggs. The stamen is the male reproductive structure that produces sperm. Petals surround the carpel and stamen and are brightly colored.
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How Many Organs Are in the Human Body Organs in the Human BodyAn organ is a structure that contains at least two different types of tissue functioning together for a common purpose. Some organs in the human body include (alphabetical order): The Main Ones; 1  adrenal glands. 2  anus. 3  appendix.
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- The ovary is a most peculiar organ, quite unlike any other. Hopefully, you have by now become familiar with some of the general patterns of tissue organization (e.g., hollow mucosal organs such as trachea and intestine; glandular organs such as kidney, liver and pancreas; lymphoid organs such as spleen, lymph nodes and thymus, etc). But the ovary is in a category of its own.
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Organ (anatomy) Organs are composed of main tissue, parenchyma, and sporadic tissues, stroma. The main tissue is that which is unique for the specific organ, such as the myocardium, the main tissue of the heart, while sporadic tissues include the nerves, blood vessels, and connective tissues. Functionally related organs often cooperate to form whole organ systems.
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Flower Anatomy The majority of flowering plants have “perfect” flowers which contain both male and female reproductive structures (Figure 2a), although some species produce “imperfect” flowers with only female (Figure 2b) or male (Figure 2c) structures.
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- The Male Reproductive Organs: Stamens are the male reproductive parts of flowers. A stamen consists of an anther (which produces pollen) and a filament. The pollen consists of the male reproductive cells; they fertilize ovules.
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The Human Body: Anatomy, Facts & Functions Vital organs. Humans have five vital organs that are essential for survival. These are the brain, heart, kidneys, liver, and lungs. The human brain is the body's control center, receiving and sending signals to other organs through the nervous system and through secreted hormones.
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PLANTS AND THEIR STRUCTURE General Plant Organization | Back to Top. A plant has two organ systems: 1) the shoot system, and 2) the root system. The shoot system is above ground and includes the organs such as leaves, buds, stems, flowers (if the plant has any), and fruits (if the plant has any). The root system includes those parts of the plant below ground, such as the roots, tubers, and rhizomes.
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How Many Organs Are in the Human Body Inside the Torso. The body's functions are conducted by organs. Each organ is a recognizable structure (for example, the heart, lungs, liver, eyes, and stomach) that performs specific functions. An organ is made of several types of tissue and therefore several types of cells (see Cells).For example, the heart (see Heart) contains muscle tissue that contracts to pump blood, fibrous tissue that makes up the heart valves, and special cells that maintain the rate and rhythm of heartbeats.onnective tissue is the tough, often fibrous tissue that binds the body's structures together and provides support and elasticity. It is present in almost every organ, forming a large part of skin, tendons, joints, ligaments, blood vessels, and muscles.
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Orchid Biological Structure The Orchid Flower. The Orchid Flower. The orchid flower is bilaterally symmetrical. This means that every orchid flower can be divided on a vertical plane, and a vertical plane only, to produce two identical halves that are mirror images of each other.owever, there is also a common thread – the orchid flower consists of three sepals and three petals that are arranged in a whorl and a reproductive column. The sepals and petals form the outer and inner whorls of the orchid flower.
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Angiosperms Some defining characteristics of angiosperms include flowers, carpels, and the presence of endosperm, a nutritive substance found in seeds, produced via a second fertilization event. However, some current studies suggest that endosperm is not unique to angiosperms.Angiosperm flowers are generically characterized by having four whorls, or sets of organs: sepals, petals, stamens, and carpels.owever, some current studies suggest that endosperm is not unique to angiosperms. Angiosperm flowers are generically characterized by having four whorls, or sets of organs: sepals, petals, stamens, and carpels.
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- A short-lived competitor of the pneumatic player piano. This Steinway upright piano is equipped with a purely mechanical system called the Pianotist, sold between 1900 and 1905 by Pianotist Co, New York.
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PLANTS AND THEIR STRUCTURE General Plant Organization | Back to Top. A plant has two organ systems: 1) the shoot system, and 2) the root system. The shoot system is above ground and includes the organs such as leaves, buds, stems, flowers (if the plant has any), and fruits (if the plant has any). The root system includes those parts of the plant below ground, such as the roots, tubers, and rhizomes. Major organ systems of the plant body.
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Sepal The number of sepals in a flower is its merosity. Flower merosity is indicative of a plant's classification. The merosity of a eudicot flower is typically four or five. The merosity of a monocot or palaeodicot flower is three, or a multiple of three. The development and form of the sepals vary considerably among flowering plants. They may be free (polysepalous) or fused together (gamosepalous).
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Organ An organ is a structure composed of two to four types of tissues working to perform functions that are beyond the scope of an individual tissue type. A set of related organs working cooperatively toward the performance of even more complex functions constitutes an organ system. Organs come in many different forms. The stomach, with its composition of epithelium , connective tissue , nervous tissue, and smooth muscle tissue, is a familiar example.
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plant structure bi 1 The plant body consists of two basic parts--- the shoot system and the root system. 2  Shoot system is above ground and includes organs such as leaves, buds, stems, flowers, and fruits. 3  The functions of the shoot system include photosynthesis, reproduction, storage, transport, and hormone production.
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Organ (anatomy) In biology, an organ or viscus is a collection of tissues joined in a structural unit to serve a common function. In anatomy, a viscus /ˈvɪskəs/ is an internal organ, and viscera is the plural form.Organs are composed of main tissue, parenchyma, and sporadic tissues, stroma.The main tissue is that which is unique for the specific organ, such as the myocardium, the main tissue of the heart, while sporadic tissues include the nerves, blood vessels, and connective tissues.wo or more organs working together in the execution of a specific body function form an organ system, also called a biological system or body system. The functions of organ systems often share significant overlap. For instance, the nervous and endocrine system both operate via a shared organ, the hypothalamus.
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How Many Organs Are in the Human Body Inside the Torso. The body's functions are conducted by organs. Each organ is a recognizable structure (for example, the heart, lungs, liver, eyes, and stomach) that performs specific functions. An organ is made of several types of tissue and therefore several types of cells (see Cells). For example, the heart (see Biology of the Heart) contains muscle tissue that contracts to pump blood, fibrous tissue that makes up the heart valves, and special cells that maintain the rate and rhythm of heartbeats.