No, the noun "blood" is a common, concrete, uncountable noun.
A possessive noun is a noun that indicates something in the sentence belongs to that noun.
A possessive noun is formed by adding an apostrophe s ('s) to the end of the noun , or just an apostrophe to the end of a plural noun that already ends with an s.
The possessive form of the noun "blood" is blood's.
Example: We first determine the blood's type. (the type of the blood)
The possessive singular noun is explorer's. The possessive plural noun is explorers'.
The possessive form for the noun coyote is coyote's.
The possessive form of zoo is zoo's.
The possessive form for the noun preacher is preacher's.
The possessive form for the noun laboratory is laboratory's.
No, he is not possessive. The possessive form would be his.
The possessive form for the noun oxygen is oxygen's.
The possessive form is grandson's.
The possessive form is island's.
The possessive form for the noun coyote is coyote's.
No, it is a singular possessive noun.
The possessive noun of Sam is Sam's.