contains genetic material, which controls the activities of the cell

controls the movement of substances into and out of the cell

most chemical processes take place here, controlled by enzymes

Osmosis is when particles continue to move from a high to a low concentration while there is a concentration gradient.

Osmosis is the movement of water from a less concentrated solution to a more concentrated solution through a partially permeable membrane.

Anus

Kidney

Pancreas

Liver

Stomach

a connection between two neurones.

the connector neurone

nerve fibres that carry signals to the effector muscle or gland

nerve fibres that carry signals from the receptors in the sense organs to the central nervous system

is the light-sensitive part and is covered in rods and cones which detect light

the hole in the middle of the iris, which the light goes through