Cells
The smallest living unit of an organism.
Cells
The tissue that forms the lining of many parts of the body.
Epithelial
The largest organ in the human body.
Skin
The heart is an organ in this system.
Circulatory system
Eyespots
What a Planaria uses to sense its surroundings?
Cells that have different functions will be different from each other. TRUE or FALSE
True
The tissue that contains special cells that can contract and slide past each other.
Muscle
The main organ of our nervous system.
Brain
The system that enables us to inhale oxygen and exhale carbon dioxide.
Respiratory system
When the cells of the Planaria grow back.
What is regeneration?
All plant cells look the same. TRUE of FALSE
False
The tissue made up of long cells that transmit electrical signals in the body.
Nerve tissue
Two organs of the digestive system.
Stomach and liver.
The organ system that the lungs works with to provide oxygen to the body.
The circulatory system.
Dead and decaying material from the bottom of the river or stream.
What is the diet of a Planaria?
This animal cell organelle is like the border between countries.
Cell Membrane
Tissue that adds support and structure to the body.
Connective tissue
An organ in the circulatory system.
Heart
This system moves bones, causes the heart to beat, and moves food through the digestive system.
Muscular system
A many-celled animal
What is multicellular?
This plant cell organelle is like a solar panel.
Chloroplast
Two or more tissues that work together form an ________.
Organ
This organ protects us from harmful UV light, the heat, and the cold.
Skin
These systems work together to allow you to breathe and read music at the same time.
Respiratory and nervous systems.
Uses mucus and cilia to do this.
How a planaria moves?