I think the answer is 8. My quiz said that, that was the answer. Hope I helped.
Spleno means spleen in medical terminology.Spleno- is already the combining form. It is the combining form for the spleen.
Eight-sided, from Latin octo, "eight", and latus, "side".
the combining form end- means within or internal.
The prefix "octo" means eight. Refering to the eight legs that an octopus has :)
Secrete
Thirst
blood
Swallow
Lumb- is the medical terminology combining form meaning lower back.
The medical terminology combining form -crine means secretion
Rachio- is a medical terminology combining form meaning spine.
-plegia is the medical terminology combining form that means paralysis.