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what is the senses explain their vision vision the human eye consists of structures which evolved together to focus light on a sensitive area
explain the working of senses touch hearing equilibrium the senses are detected by sense organs collections of receptor cells or cells closely
explain the peripheral nervous system in detailthe peripheral nervous system is divided into the somatic nervous system and the autonomic nervous
explain the functionality of central nervous system the central nervous system is the center of the nervous system receiving impulses from and
what is nerve impulses in human biologya nerve impulse is an electrical signal carried by a nerve cell unlike electrical transmission in wires this
explain the nerve cell structure and functionbefore studying the organization of the nervous system we will look at the relationship between
explain cardiac muscle or heart musclecardiac muscle or heart muscle is a striated muscle that occurs only in the vertebrate heart the heartbeat is
what is smooth musclesmooth muscle provides the contractile force for movement in internal organs under control of the involuntary or autonomic
write a short note on muscular systemthe muscular system provides mobility and support to the body there are three types of muscle tissue skeletal
what is joints joints are locations where two or more bones come together or articulate bones are joined with varying degrees of rigidity joints may
what is cartilage explain brieflysome bones such as the bones in the skull develop directly from membranous connective tissue but in human fetal
explain the role of bones in human biologybone is covered by a tough outer membrane called the periosteum the periosteum contains systems of
explain the skeletal systemskeletal system the support framework or skeleton in the human body is composed of mostly hard mineral substances unlike
explain the integumentary system in human biologythe skin its glands and outgrowths form the integumentary system this system provides protection
organ systems organisms are composed of organ systems each organ system is made up of several different organs for example the digestive system
explain temperate deciduous forests-taiga and tundratemperate deciduous forests are typified by the type of forests predominantly found in the
what is temperate grasslandsgrasslands are known by their common names in different regions of the world such as the plains or prairies in north
explain the differance between savanna and desertsavanna savanna is characterized by relatively low rainfall and pronounced dry seasons this type of
explain tropical rain forests in biomesyou probably are well aware of the danger that the worlds rain forests are facing in terms of extinction there
explain what is biomes and their typesscientists study biological systems as units for instance an ecosystem unit consists of a community and its
explain the productivity of ecologywhen scientists study an ecosystem as a whole they often examine the relationships between feeding or trophic
explain the energy flow of ecologyenergy flow as you can see energy flow is one way in an ecosystem energy is not recycled the ultimate source of
what is trophic levels and food webstrophic levels and food webs energy flows and nutrients are cycled through an ecosystem via organisms that feed
explain the life cycle of nitrogen nitrogen cycle along with carbon hydrogen and oxygen nitrogen is one of the most common elements that form
explain the life cycle of waterthe water cycle or hydrologic cycle is one of the most important processes to living organisms on earth consider the