Cells and systems REview

a blood vessel that conveys blood from the heart to any part of the body

the system of nerves and ganglia that innervates the blood vessels, heart, smooth muscles, viscera, and glands and controls their involuntary functions, consisting of sympathetic and parasympathetic portions.

either of the two upper chambers on each side of the heart that receive blood from the veins and in turn force it into the ventricles

the appendage of the neuron that transmits impulses away from the cell body

one of the minute blood vessels between the terminations of the arteries and the beginnings of the veins

a usually microscopic structure containing nuclear and cytoplasmic material enclosed by a semipermeable membrane and, in plants, a cell wall; the basic structural unit of all organisms.

the semipermeable membrane enclosing the cytoplasm of a cell

the oxidation of organic compounds that occurs within cells, producing energy for cellular processes.

the part of the nervous system comprising the brain and spinal cord.

Chemical digestion is when food is broken down useing stomach acid.

a plastid containing chlorophyll.

the branching process of a neuron that conducts impulses toward the cell

The movement of atoms or molecules from an area of higher concentration to an area of lower concentration. Atoms and small molecules can move across a cell membrane by diffusion. Compare osmosis