Cell Theory
Unicellular organisms are also known as
prokaryotes
What body system is made up of a network of nerve cells and fibres that transmit nerve impulses between parts of the body?
nervous system
The brain or control center of the cell is called the...
nucleus
What are the main two types of cells?
animal and plant
eukaryotes
What are the main body systems involved when we pick up a pencil?
muscular, skeletal, and nervous
This organelle controls what comes in and out of the cell
cell membrane
The basic unit of life is the
cell! :)
Prokaryotes don't have a...
nucleus
When we breathe in oxygen and it travels through our blood, what two systems are working together?
circulatory and respiratory
This organelle produces energy
mitochondria
When cells combine, they create...
tissue
What type of organism lacks a nucleus and membrane bound organelles?
prokaryote
Organs responsible for the absorption of food for the purposes of energy release
digestive system
What two organelles are found in plant cells but NOT animal cells?
chloroplast and cell wall
Name the levels of organization starting with cell...
cell, tissue, organ, organ system, organism
What type of organism is considered more complex, large, and has organelles?
eukaryotes
Which body system removes excess fluids and unnecessary waste materials from the body?
Hint: digestive OR excretory?
excretory
The gel like substance that is found inside of cells is called the
cytoplasm