Quiz Tuesday note pages 1-6 Flashcards
(58 cards)
A substance that cannot be split into simpler substances by normal means
element
3 subatomic particles
proton, neutron, electron
are substances composed of more than one atom
molecules
inorganic molecules include
water, oxygen gas, carbon dioxide gas
_____ ____ are the building blocks of living things
organic molecules
4 examples of organic molecules
carbohydrates, proteins, lipids, nucleic acids
____ are the smallest level of organization considered alive
cells
organisms composed of one cell are termed ______
unicellular
humans are ______, with different cell types carrying out different functions
multicellular
_____ consist of the fluid cytosol and the organelles
cytoplasm
____ are specialized parts of cells that have particular function
organelles
3 examples of organelles
nucleus, ribosomes, mitochondria
____ are layers of cells or groups of cells working together to serve a common
function
tissues
a layer of tightly joined cells covers a surface, lines a lumen or forms glands
Epithelium
____ ____ binds other tissues together, forms tendons and ligaments, includes blood and bone
Connective Tissue
___ ____ are tissue with fewer cells and a matrix of fibers and ground substance
Connective Tissue
___ ___ electrically excitable, contractile tissue
Muscle Tissue
____ _____ of the biceps brachii moves a bone
skeletal muscle
___ ___ electrically excitable tissue that conducts impulses
nervous tissue
4 examples of nervous tissue
brain, spinal cord, peripheral nerves, sense organs
______ are groups of tissues working together to serve a common function
organs
_______ is the sum of all chemical processes occurring in the body
it consists of anabolic and catabolic reactions
metabolism
___ ___ involved in the building of large, complex, organic molecules using energy (ATP)
anabolic reactions
simple amino acids combined to form complex proteins such as muscle protein is an example of ____ ____
anabolic reactions