Unit 4 Vocab

short hair-like projection that produces movement. used by ciliates.

protrusion of surface of an ameboid cell for movement and feeding.

The heart blood vessels and blood. It transports oxygen nutrients, and hormones to cells to fight infection,remove wastes and regulate temp

the brain, spinal cord, nerves. recognizes/coordinates body's response to changes in its internal and external environments.

controls growth, development, and metabolism; maintains homeostasis

the relatively constant internal physical and chemical conditions that organisms maintain.

the center of an atom , which contains the protons and neutrons.

organs used to see, taste, hear, smell, touch.

unicellular organism that lacks a nucleus.

complex organism whose cell contains a nucleus.

bones, cartilage, ligaments, tendons. supports body, allows movement, protects internal organs.

works with skeletal system to produce voluntary movement.

thin, flexible barrier that surrounds all cells; regulates what enters and leaves the cell.

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

urine, co2

eliminates waste from the body

used to describe the flow of water in and out of a system.

A measure of the acidity or alkalinity of a solution

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