types of cells - amazing world of science with mr. green€¦ · types of cells •organs in...
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Types of Cells
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Types of Cells
• Organs in animals are composed of a
number of different tissue types
• These cells are designed for a particular
job
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Nervous cells
• Helps stimulus and control response.
• Nerve cells are called neurons
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Ovum (egg)
• Female reproductive cell or gamete
• It contains yolk for developing young
• Contains ½ the number of chromosomes
• Developed in the ovals
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Sperm
• Male reproductive cell or gamete
• Has a small tail to provide movement
• Head contains enzymes
• Developed in the testis
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Blood cells
• Red and white blood cells
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Ciliated Cells
• Line air passages and fallopian tubes
• Filter the air
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Root Hairs
• Designed for absorbing water and nutrients
• Help increase surface area of the root
• Thin cell walls
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Palisade Cells
• Specialised cells in the leaf where the
majority of photosynthesis takes place
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Phloem and Xylem
• Conducts sugars through the plant
– Two way street
• Conducts water in the plant
– One way street (up)
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Stem Cells
• Specialized cell that can differentiate into
any type of cell.
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Cells, Tissues, Organ, Organ
Systems
• Tissue – group of similar cells
• Organ – group of different tissue working
together
• Organ system – group of organs working
together
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Organ Systems
• Digestive – breaks down and absorbs
food
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Digestive Organs
• Oesophagus
• Stomach
• Intestine
• Liver
• Gallbladder
• Pancreas
• Capillaries
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Organ Systems
• Circulatory – transports material around
the body in blood
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Circulatory Organs
• Heart
• Artery
• Veins
• Capillaries
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Organ Systems
• Respiratory – takes oxygen into the body
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Respiratory Organs
• Lungs
• Rib muscles
• Ribs
• Diaphragm
• Alveoli
• Capillaries
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Organ Systems
• Nervous – detects the environment and
controls the body
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Nervous Organs
• Neurons
• Brain
• Spinal cord
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Organ Systems
• Reproductive – produces new individuals
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Reproductive Organs
• Ovaries
• Uterus
• Testis
• Penis
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Organ System
• Skeletal – allows for movement
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Skeletal Organs
• Cartilage
• Bone
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Organ System
• Excretory – removes waste from the body
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Excretory Organs
• Kidney
• Bladder
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Organ System
• Endocrine System – produces and
discharges hormones
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Endocrine Organs
• Thyroid
• Pancreas
• Ovaries
• Testes
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Organ Systems
• Muscle System – attached to bones to
help with movement
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Muscle Organs
• Muscles
• Tendons
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Plants
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Vascular System
• Moves water and nutrients throughout the
plant
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Vascular System
• Xylem – moves water
• Phloem – moves nutrients