[Inside Living Things 생물체 내부 관련 단어 영영풀이]
artery
noun : a blood vessel that moves oxygen-rich blood away from the heart to all parts of the body
bacteria
noun : small one-celled organisms that sometimes cause infections and disease
cell
noun : the smallest independently functioning unit in an organism
disease
noun : a condition, other than one caused by injury, that changes the way a body normally functions; an illness
infection
noun : an illness caused by microbes
muscle
noun : a type of body tissue that contracts and relaxes to allow movement
nucleus
noun : a cell part that controls a cell's activity
nutrients
noun : substances that living things need to live, stay healthy, and grow
organ
noun : a part of an organism, made of different kinds of tissue, which has a specific function
oxygen
noun : a gas that has no color, taste, or smell and that most animals need to live
photosynthesis
noun : the process by which chlorophyll in plant cells transforms sunlight, water, air, and nutrients into food
pore
noun : a tiny opening
pulse
noun : the heartbeat as felt through the walls of blood vessels
tissue
noun : a group of cells in an organism that are similar in form and perform a certain function
vaccine
noun : a medicine made of weak or dead microbes that teaches the body to fight stronger microbes of the same type
vein
noun : a blood vessel that carries blood back from the body's cells to the heart
virus
noun : a microscopic organism that infects the body; a disease caused by a virus
antibody
noun : a chemical produced by the body that attacks invading germs
body system
noun : a group of organs in the body that work together
capillary
noun : a tiny blood vessel that carries blood from an artery to a vein
cell membrane
noun : the outside covering of an animal cell; also, the inside wall of a plant cell
cell wall
noun : the firm outside covering of a plant cell
chlorophyll
noun : a substance in green plants that can turn water, air, and sunlight into food
chloroplast
noun : the part of a plant cell that contains chlorophyll and makes energy from sunlight, air, water, and nutrients
circulatory system
noun : the body system that moves blood throughout the body
corpus callosum
noun : the group of nerve fibers in the middle part of the brain in some mammals; connects and allows communication between the two hemispheres
cytoplasm
noun : the liquid that lies inside the cell membrane
digestive system
noun : the body system that breaks down food to give the whole body the nutrients it needs
immune system
noun : a system that moves antibodies through your body to fight infection
microorganism
noun : a microscopic organism, such as a virus or single bacterial cell
mitochondria
noun : cell parts that produce energy
multicellular
adjective : composed of more than one cell
muscular system
noun : the body system that allows internal and external body parts to move
nervous system
noun : the body system that gathers information from and responds to the senses, and affects thinking and behavior
pathogen
noun : a unicellular organism that causes disease
plasma
noun : the liquid part of blood in which blood cells flow
respiratory system
noun : the body system that controls breathing by inhaling oxygen and exhaling carbon dioxide
skeletal system
noun : the body system that provides a sturdy frame to support all other body systems
unicellular
adjective : composed of only one cell
vacuole
noun : a cell part that stores water and nutrients