Receptors
How do neurons communicate with each other?
Through electrical signals.
What is a cell?
The smallest unit of life, it makes up all living things.
What is the tiniest living part in an organism?
A cell.
The system that enables the body to move.
Muscular system.
The lungs belong to what organ system?
Respiratory system.
What is the primary function of sensory receptors in the human body?
To detect and respond to environmental stimuli
What is the primary function of white blood cells in the immune system?
Fight off infections and harmful substances
What do white blood cells protect against?
Disease
The system that breaks down food into energy that can be used in cells by the body.
Digestive System.
The system that coordinates all the body's activities
Nervous system.
What is the specialized cell that transmits information throughout the nervous system?
A neuron.
How do red blood cells help the body?
By carrying oxygen to body tissues
What is an organ?
A group of different tissues working together
The sytem that brings in oxygen from the environment
The respiratory system.
This organ belongs to the digestive system.
Mouth, stomach, intestines.
What is the name of the sensory receptor responds to chemical signals?
Chemoreceptors.
Which of the following best describes cell specialization?
Cells developing specific functions to perform different tasks
How are organ systems formed?
From multiple organs working together
The system that removes waste from the body.
Excetory system.
This organ belongs to the nervous system.
The brain.
Which receptor is responsible for detecting light and allowing us to see?
Photoreceptors.
What is a tissue?
A group of different types of cells working together
What is the correct order of organization in multicellular organisms?
Cells-tissues-organs-organ systems-organisms
The system thats distributes blood, oxygen and nutrients to the body's cells and carries away waste products
Circulatory system.
The system that provides a barrier from the environment
Integumentary system.