Crossword

Palavras horizontais

1. any of the muscular-walled tubes forming part of the circulation system by which blood (mainly that which has been oxygenated. (8)
3. (of protozoans, certain algae, spores, etc.) consisting of a single cell. (11)
5. The thin-walled chambers of the heart that pump blood into the ventricles. (5)
7. now universally accepted, that living organisms are made up of cells. (11)
9. a hollow part or cavity in an organ. (10)
11. a set of things working together as parts of a mechanism or an interconnecting network. (7)
13. any of the tubes forming part of the blood circulation system of the body, carrying in most cases oxygen-depleted blood towar (5)
15. is a structural layer surrounding some types of cells, just outside the cell membrane. (9)
17. the spontaneous passage or diffusion of water or other solvents through a semipermeable membrane. (7)

Palavras verticais

2. a thin, clear, virtually colorless acidic fluid secreted by the stomach glands and active in promoting digestion. (14)
4. a group of tissues in a living organism that have been adapted to perform a specific function. (6)
6. The thin membrane that forms the outer surface of the protoplasm of a cell and regulates the passage of materials in and out of the cell. (13)
8. organisms are organisms that consist of more than one cell, in contrast to unicellular organisms. (13)
10. is a property of cellular membranes that only allows certain molecules to enter or exit the cell. (22)
12. the central and most important part of an object, movement, or group, forming the basis for its activity and growth. (7)
14. A plastid in the cells of green plants and green algae that contains chlorophylls and carotenoid pigments and creates glucose through photosynthesis. (12)
16. is a mechanism that opens and closes to control the flow of fluids. (6)
18. is a cellular organizational level between cells and a complete organ. (7)
19. The main artery of the circulatory system, arising from the left ventricle of the heart in mammals and birds and carrying blood with high levels of oxygen to all the arteries of the body except those of the lungs. (5)
20. is the movement of a substance from an area of high concentration to an area of low concentration. (9)