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The Human Body Puzzle and The Cell

Irvine

A general review of some of the body systems covered in a biology I course

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Across
1.primary female reproductive organs
2.muscle at the bottom of the chest
6.cells that enclose their genetic material in nuclei
10.the smallest blood vessels
11.Pumps oxygen rich blood to the body
12.Pumps oxygen poor blood to the lungs
13.the liquid portion of blood
14.thin, flexible membrane surrounding the cell
15.external sac that carries testes
17.helps the cell maintain its shape
18.causes infected area to become red and painful, or inflamed
20.condition in which fatty deposits called plaques build up in the blood
23.any foreign substance that can trigger an immune response
25.carry oxygen rich blood to your lungs
26.a disease that causes the immune system to attack the body's own cells
28.The S-A node sets the pace for the heart and is therefore known as the _____________
30.accepts oxygen poor blood from from the body
31.injection of a weakened pathogen to produce immunity
34.cells that transport oxygen
35.capture energy from sunlight to make food
37.internal membrane system in the cell may assemble and transport lipids or proteins
40.period of rapid growth and sexual maturation
45.the vocal cords
46.break down lipids, carbohydrates, and proteins into small molecules
47.cavity at the back of the mouth serves as passageway for air and food
48.accepts blood rich blood from your lungs
49.where proteins are assembled
50.two large tubes in the chest cavity which lead to the lungs
Down
1."little organs"
3.HIV stands for
4.Brings oxygen poor blood from the upper body to the right atrium
5.large vessels that carry blood form the heart to tissues in the body
7.extends upward from the scrotum into the abdominal cavity
8.oxygen carrying molecule in blood
9.cells fragments involved in blood clotting
16.cells that guard against infection
19.modifies, sorts and packages proteins and other materials
21.cells the do not enclose their genetic material in nuclei
22.all living things are made of cells; cells are the basic unit of structure and function in living things; new cells are produced from existing cells
23.tiny air sacs
24.enclosed structure in the middle of the cell containing genetic material
27.tag antigens for destruction by immune cells
29.converts chemical energy stored in food into compounds that are more convenient for the cell to use
32.found only around plant cells
33.carries oxygen rich blood from the left venticle to the rest of the body
36.release of egg from ovary into one of the fallopian tubes
38.Portion of cell outside the nucleus
39.store materials like water, salts, proteins and carbohydrates
41.the windpipe
42.the primary male reproductive organs
43.blood vessels that return blood to the heart
44.a fertilized egg

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