you can tell that some thing is living because it needs to be able to
move
Cells
Cells are the basic building blocks of all animals
and plants.
Animal cells and plant
cells
Animal cells usually have an irregular shape, and
plant cells usually have a regular shape. Cells are
made up of different parts.
Cell
membrane
Controls the movement of substances into and out of the
cell
they can be found in plants and d animals cells
Cytoplasm
Jelly-like substance, where chemical reactions happen
Nucleus
Carries genetic information and controls what happens inside the cell
Vacuole
Contains a liquid called cell sap, which keeps the cell
firm
Cell wall
Made of a tough substance called cellulose, which supports the cell
Human reproduction
glands
sperm
ducts
urethra
penis
testes
Sperm duct and glands
The sperm pass through the sperm ducts, and mix with fluids
produced by the glands. The fluids provide the sperm cells with
nutrients. The mixture of sperm and fluids is called semen.