How to use in-sentence of “sperm cells”:
+ Flowering plant sperm cells cannot move by themselves.
+ During ejaculation millions of sperm cells are released, but only one hundred or so reach the egg.
+ Fertilization occurs as sperm cells from one sponge are released through the osculum and carried by water current to another sponge.
+ Pollen is a powder made of pollen grains, which produce sperm cells of seed plants.
+ By this interaction, the antibodies destroy the sperm cells leading to Azoospermia, oligospermia or normospermia depending on the degree of damage.
+ The other way, known as “oviparous” is that both sperm cells and egg cells are released into the water.
+ In plants it is a “double” fertilisation in which two sperm cells fertilize cell cells in the plant ovary.

