What is the smallest unit of life?
A cell
Can you name the three vital functions?
Nutrition, Interaction, Reproduction
An organism can be both unicelluar and ...
multicellular
What is a unicellular cell?
It is composed of a single cell, the cell performs all the functions
What is a multicellular cell?
It is composed of two or more cells. The cells are arranged. They perform all the vital functions.
Can you name the three types of cells?
Muscle, Epithelial, Nerve
Can you describe the characteristics of the muscle cell?
Elongated, they expand and extract (move)
Can you describe the characteristics of the epithelial cell?
Flat cells, they have skin, their job is to insulate the body and protect it.
Can you describe the characteristics of the nerve cells?
They are star-shaped with long extensions, they transmit information all around the body.
What is tissue?
A set of one type of cells which perform the same function.
What is an organ?
A set of tissues that are grouped together and perform the same function
What is a system?
Several organs that perform a function together, such as the digestive system.
