What is a body system that filters metabolic waste from the blood and eliminates it?
100
cambrium
What layer of meristematic plant tissue is between the inner bark and wood that produces new bark and wood cells, causing the tem or trunk to grow in diameter and forming the annual ring in trees?
100
ventricle, it pumps blood from heart to the lungs
What is the heart chamber called?
100
A smooth muscle that cannot be controlled consciously.
What is an involuntary muscle?
100
appendicular skeleton
What is the division that includes the bones of the arms, legs, feet, hands, hips and shoulders?
200
Provides form, structure, protection and helps with movement.
What does a skeletal system do for our body?
200
Collection of tissues working together
What is an organ?
200
stomata
What are openings in the outer cell layer of leaf surfaces and some sterns that allow the exchange of water, carbon dioxide, oxygen, and other gases between a plant and its environment called?
200
peristalsis
What muscular contraction moves food throughout the digestive tract? (wave-like)
200
axial skeleton
What is the division that includes the vertebral column, ribs, skull and sternum.
300
Reproductive system, continuation of species.
What body system allows progeny to be produced?
300
Phloem
What vascular plant tissue is composed of sieve tube members and companion cells that conducts dissolved sugars and other organic compounds from the leaves and stems to the roots and from the roots to the leaves and stems?
300
It is a nerve pathway consisting of sensory neuron, an interneuron, and a motor neuron.
What is a reflex arc?
300
cell body, an axon and dendrites. carries nerve impulses.
What is a neuron cell composed of? and what does it carry throughout the body?
300
pigment in the inner layer that provides protection against ultraviolet radiation and skin color
What is melanin?
400
Involved with gas exchange, oxygen enters and carbon dioxide exits.
What is the respiratory system involved with? What does it allow to enter the body? to leave?
400
Tissue
What is a collection of cells that complete a task?
400
pituitary gland (called "master gland" because it regulates many body functions)
What is the endocrine gland located at the base of the brain? Hint: "master gland"
400
substance such as estrogen, that is produced by endocrine gland and acts on target cells
What is a hormone?
400
collection of organs that work together
What is organ system?
500
O2, CO2, nutrients and wastes through out the body.
What is cardiovascular system involved in the delivery of?
500
Xylem
What vascular plant tissue transports water and dissolves minerals away from the roots throughout the plant and is composed if vessel elements and tracheid's?
500
the part of the brain that regulates body temperature, appetite, thirst and water balance.
What is the hypothalamus?
500
a digestive enzyme in saliva that begins the process of chemical digestion in the mouth by breaking down starches into sugars