Plant cells have a cell wall and chloroplasts which animal cells don't.
A red blood cell is specialized by not having a nucleus to allow more space to carry oxygen, contains haemoglobin which carry oxygen molecules, large surface area.
Sperm cells are specialized by having a tail for movement, mitochondria for energy for speed, produced in large numbers
Nerve cells are specialized by being thin to transport messages quickly and having a fatty sheath which allows to transport messages quickly.
An egg cell is called an ovum/ ova is plural.
Chlorophyll is found in the chloroplasts and is a pigment.
Cells are the smallest unit of life.
Put these into order: organs, cells, tissue organ systems, cells and organisms?
