Biology

hairlike vibrating structure causing currents in the surrounding fluid

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

the system that circulates blood and lymph through the body,consisting of the heart, blood vessels, blood, lymph, and the lymphatic vessels

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 part of a cell that tells it what to so

The anatomy and structure of the five sense organs of the human body: vision, hearing, smell, taste, and touch

a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles. Prokaryotes inclu

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 muscular system moves your body and the skeletal system makes you stay in place.

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

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

a water balance equation can be used to describe the flow of water in and out of a system.

How you measure how acidic something is

the degree or intensity of heat present in a substance or object, esp. as expressed according to a comparative scale and shown by a thermome