biology homework.. help please?

Question

it's a crossword
i can't get these ones
help is greatly appreciated

1. In biology, a vessel that carries blood
2. a fragment of a cell that is needed to carry blood clots
3.in an experiment a group that serves as a standard of comparison with another group that is identical except for one factor
4.an explanation for some phenomenon that is based on observation, experimentation, and reasoning

thank you :]

Answer 1

1. Blood vessel?
2. Platelets?
3. the Control
4. hypothesis / theory

Answer 2

even in case your instructor did no longer at as quickly as instruct it, that is probably on your textual content textile e book. hydrophillic = water loving hydro phobic = water fearing (think of phobia=worry) a million) utilising good judgment, oils are made out of lipids, that are hydrophobic (water repellant). dry cleaners additionally use a hydrophobic molecule. undecided why hydrophobic + hydrophobic = sparkling, yet you're able to be helpful that water against a hydrophobic stain won't do something. 2) grease = hydrophobic (grease phob=x) assume cleansing soap is two areas (phob=o+phil=O) it's going to appear as if this oO so = cleansing soap grease cleansing soap might appear as if: OoxoO so as that hydrophobic molecules connect themselves mutually. (Phob+phob mutually because of the fact of drycleaner answer above)

Answer 3

1. artery, vein, arteriole, venule, capillary, aorta
2. platelet?
3. control group
4. theory

Answer 4

1. either capillary, artery, arteriole, or vein.
2. platelet
3. control
4. ? conclusion? not sure about this one.

Answer 5

1. Blood vessel (Could be Red? idk how many spaces you have)
2. Platelets


not sure on the others :(

Answer 6

1. blood vessel
2. idk
3. idk
4. idk