unit 4

plural form of cilium

a temporary protrusion of the surface of an ameboid cell for movement and feeding

the system that circulates blood and lymph through the body

the network of nerve cells and fibers that transmits nerve impulses between parts of the body

the system of glands that produce endocrine secretions that help to control bodily metabolic activity

The ability or tendency of an organism or cell to maintain internal equilibrium by adjusting its physiological processes.

the central and most important part of an object, movement, or group, foaming the basis for its activity and growth

Senses are physiological capacities of organisms that provide data for perception. The senses and their operation, classification, and theor

a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelle

an organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleu

the hard structure (bones and cartilages) that provides a frame for the body of an animal

The muscular system is an organ system consisting of skeletal, smooth and cardiac muscles. It permits movement of the body, maintains postur

The 'cell membrane' is a biological membrane that separates the interior of all cells from the outside environment. The cell membrane is sel

the tissue in higher plants that constitutes the vascular system, consisting of phloem and xylem, by which water and nutrients are conducted

The excretory system is a passive biological system that removes excess, unnecessary materials from an organism, so as to help maintain home

The pH scale measures how acidic or basic a substance is.

the degree or intensity of heat present in a substance or object