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cell
the smallest unit of living things
circulatory system
the system that circulates blood and lymph through the body, consisting of the heart, blood vessels,blood,lymph and the lymphatic vessels and glands
daughter cell
a cell that goes through mitosis ( this term does not indicate the cells sex)
DNA
a double helix made up of helical nucleic acid molecule cable of replicating and determine its inherent structure
Differentiation
the process by which dividing cells change their function and appearance
digestive system
organs that take in food and liquids than break them down to provide energy, growth and tissue repair
Excretion
the ways in which living things get rid of waste through cells, tissues and organs
hierarchical
belonging to any system of things ranked in order based on relationship or level of importance
mitosis
the process by which two identical daughter cells are made into a parent
model
physical, mathematical or conceptual representation
multicellular
describing an organisms that contains multiple cells
muscular system
a system composed of muscle cells and tissues allow the body to move, maintain posture and circulate blood through the body
nervous system
system of nerves in an animal/human (brain, spinal cord and nerves)
nutrient
a substance In a food providing nourishment
organ
a group of cells/tissue that group together to preform a particular function
organ system
a group of organs that form together to preform a particular function
parent cell
the original cell giving rise to the daughter cells by cell division
respiratory system
organs/tissue involved in breathing ,exchange of oxygen and carbon dioxide
specialized cells
some cells in multicellular organisms that carry out a specific function
tissue
a group of cells that have similar structure and work together to preform a type of function
absorption
an action of absorbing
depressant
a drug there slows the activity in vital organs
homeostasis
a stable, internal balance among all the body systems needed for the body to survive and function
impulse
an electrical and chemical signal passed along a nerve cell to another nerve cell ( or muscle) as a response of stimulus
negative feedback
a reaction caused by a decrease or reversal in the reaction of a function
positive feedback
increase and continuation in response to the original stimulus
regulate
any process that modifies and or controls frequency
stimulant
a substance the raises levels of nervous activity in the body
stimulus
anything that can cause a physical or behavioral change in a living organisms
aerobic
requires oxygen
amino acid
organic compound that forms protein
anaerobic
relies on energy source besides oxygen
adenosine diphosphate (ADP)
a compound consisting of AD bonded to two phosphate groups
ATP
AM created by three phosphate group. provided energy to the cells for physiological process
backbone
series of bounded carbon atoms that alternate phosphate s the create a chain of molecule
bond
the force the holds atoms together to form compounds
carbohydrate
a large molecule of carbon, hydrogen, and oxygen and its a major source of energy for animals
carbon dioxide
gas composed of two oxygen atoms bonded to one carbon atom used by producers in photosynthesis
chemical equation
a symbolical presentation of when two atoms come in contact with eachother
chemical process
a method changing on ore more chemical compounds when they interact with each other
chemical reaction
a process where atoms rearrange themselves to the same or different element to form a new substance
compound
a substance composed of two or more chemical elements
endergonic
a metabolic or chemical process that results in a net increase in energy
energy
capacity of a physical system to do work, their are many forms of energy such as chemical, kinetic, etc
exergonic
a metabolic or chemical process that releases energy
glucose
sugar formed by plants as a product of photosynthesis
hydrocarbon
any chemical compound that consists of only hydrogen and carbon
law of conservation and mass
the scientific law that states mass cannot be gained or lost in a chemical reaction and that matter cannot be created or destroyed
lipid
large molecule necessary for. living organisms, provided stored energy and make up cell membrane
macromolecule
carbohydrates, lipids and nucleic acids
molecule
a group of chemical elements bonded together
net transfer
involve chemical components being transferred from one phase set or set phase to others
nucleic acid
large molecules that contain genetic info
oxygen
chemical elements which is necessary for cellular respiration and life
product
new material formed as a result of a chemical reaction
protein
a nutrient found in food made up on amino acids that are joined together
reactant
substances present at the start of a chemical reaction
sugar
dissolvable carbohydrates that occur naturally in plants
transfer
the conversation of one energy to another
transform
to change form, appearance or structure