Question

i will mark you brainliest​

Answer 1

Answer:

organ will be answer I think

Answer 2

Answer:

cell

Explanation:

Life begins when a spermatozoon (a mature male germ cell) and an ovum (a mature female germ cell) unite to form one single cell called “egg” or “zygote”, which as of that moment, will undergo a series of divisions that will ultimately result in the birth of an infant.