control center for the cell
gell like material that surrounds all pars of the cell within the membrane
small structures , each of which has a specific job in the cell
energy of sunlight works to combine water and carbon dioxide to make food for the cell of a plan
passive transport that spreads substances through a liquid or gas
the diffuision of water across a membrane
provides energy to the cells through cell respiration. This process combines glucose with oxygen to form water and carbon dioside.
stores materials in the cell
structures and transports things in and out of the cell
materials move into and out of the cell without the cell using any energy
plants make energy by harnessing the energy of the sun in this process
the process by which cells copy each other
the three groups by which cells divide early in the cell division process
a group of cells that have common structure and function.
tissues and sheets of cells that cover surfaces.
This joins other tissues together. Made of these specialized cells and fibers stick to living cells such as bone and cartilage.
impulses that run through your body that make mussles contract.
made up of several tissue types that work together to perfiorm one or more functions.
groups of organs that work together to perform complex tasks. Humans have 11 of these.
this system carries oxygen to the body and removes carbon dioxide and other wastes. It keeps you body temperature constant and includes your heart, artieries and viens.
supports all parts of your boday and allows you to move different parts.
invorms the brain by sending signals down nerves to the musceles.
part of the organ system that protect you from injury and retain moisture.
chemical messenger to the body's system
messages that travel through the blood stream and are picked up by certain cells