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chapter 20 vocabulary
Vocabulary part 7
vocabulary part 8
Vocabulary part 7
vocabulry part 6
vocabulary part3
vocabulary part4
vocabulary part2
animal definitions
From Flower To Fruit
endocrine glands
Plant Characteristics
nervous system
nervous system part 2
definitions on the cardiovascular system
Chapter HIGHLIGHTS Part 2
The Integumentaty System
How can DNA become damaged?
The Muscular System
quiz yourself
QUIZ part 2
Scientific method
Cell cycle
Cell Division
test your brain
answers to test your brain!
vocabulary chapter 23
science time line on cell division
life science
need help
Gregor Mendel
Mendels second experiment
Terms to learn
Chapter Highlights
Vocabulary part 5
definitions on the cardiovascular system


                                   Chapter 23 vocabulary

1.     Cardiovascular system-a collection of organs that transport blood to and from your body cells; the organs in this system include the heart, the arteries, and the veins.

2.    Blood – a connective tissue made up of platelets, white blood cells, red blood cells, and plasma

3.     Arteries- blood vessels that carry blood away from the heart

4.     Capillaries- the smallest blood vessel

5.     Veins- any of the membranous tubes that form a branching system and carry blood to the heart; a blood vessel

6.     Pulmonary circulation- the circulation of blood between the heart and lungs

7.    Systemic circulation- the circulation of blood between the heart and the body (excluding the lungs)

8.    Blood pressure- the amount of force exerted by blood on the inside walls of a blood vessel

9.    Lymphatic system- a collection of organs that collect extra cellular fluid and return to the blood; the organs in the system includes the lymph nodes and the lymphatic vessel

10.                       Lymph nodes- small, bean- shaped organs that contain small fibers that work like nets to remove partials from the lymph

11.Thymus-a lymph organ that produces lymphocytes

12.                        Spleen-an organ that filters blood and produces lymphocytes

13. Tonsils-small masses of soft tissue located at the back of the nasal cavity, on the inside of the throat, and at the back of the tongue.

14.Respiration-the exchanges of gases between living cells and their environment; includes breathing and cellular respiration.

15.Respiratory system-a collection of organs whose primary function is to take in oxygen and expel carbide dioxide; the organs of this system include the lungs, the throat, and the passageway that lead to the lungs.

16.  Pharynx- the upper portion of the throat.

17.                        Larynx- the area of the throat that contains the vocal cords

18.                        Trachea- the air passage way from the larynx to the lungs

19.                        Bronchi- the two tubes that connect the lungs with the trachea

20.                       Alveoli- tiny sacs that form the bronchiole branches of the lung