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Homeostasis - ✔✔consistency of the body's internal environment, body conditions must remain
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within a stable range including the body's temperature, blood pressure, and the concentratoin of
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various chemicals within the blood, all systems must work together to maintain this.
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Atom - ✔✔simplest units of all matter
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Common atoms in the human body - ✔✔hydrogen, nitrogen, oxygen, and carbon
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molecules - ✔✔untis of matter from at least two atoms, ex proteins and carbohydrates.
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organelles - ✔✔formed when molecules join together. these are cell parts, with various functions
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including nuclei, lysosomes, and mitochondria that all combine to build: leukocytes, erythrocytes,
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neurons, and adipocytes
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cells - ✔✔smallest living units of the body, , when organized together they form tissues
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tissues - ✔✔two or more types combine to form organs
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organs - ✔✔work together to function as an organ system
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organism - ✔✔is made up of organ systems essential to its survival, to maintain a state of
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homeostasis
, DNA (deoxyribonucleic acid) - ✔✔holds the genetic code that contains all the information
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needed for human cell differentiation, growth, and development
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RNA (ribonucleic acid) - ✔✔assists cells in translating DNA messages, prompting cells to carry
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out specific tasks
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Genes - ✔✔sequences of DNA and RNA that code for a type of protein or for an RNA chain that
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has a particular function in the body
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Centrioles - ✔✔Essential for movement of chromosomes during cell division
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cilia - ✔✔assist in propelling matter throughout the body tracts
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cytoplasm - ✔✔consumes and transforms energy and performs cells functions
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endoplasmic - ✔✔forms passageways to transport substances throughout the cytoplasm
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reticulum - ✔✔produces proteins, allowing the cell to function
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flagellum - ✔✔tail-like structures on sperm cells, providing swimming movement
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lysosomes - ✔✔performs cells digestive function || || || || ||
mitochondria - ✔✔provides energy || || ||
nucleus - ✔✔contains genetic material and controls cell division and reproduction, brain of cell
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ribosomes - ✔✔responsible for protein synthesis, in conjuction with RNA
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