Circulatory System
What is the main organ of the circulatory system that pumps blood throughout the body?
Heart
What is the first part of the digestive system where food enters?
What is the primary organ of the respiratory system?
Lungs
What organ is the control center of the nervous system?
Brain
What does the immune system protect the body from?
Infections
What type of blood vessel carries oxygenated blood away from the heart?
Artery
What organ produces stomach acid to break down food?
Stomach
What gas do we breathe in that is essential for survival?
Oxygen
What are the cells in the nervous system that send messages throughout the body?
Neurons
What are the cells called that fight infections?
White blood cells
Which part of the blood carries oxygen to all parts of the body?
Red blood cells
In which part of the digestive system are nutrients absorbed into the bloodstream?
Small intestine
What waste gas do we exhale after respiration?
Carbon dioxide
What connects the brain and the rest of the body to help send messages?
Spinal cord
Which part of the immune system is the first line of defense in the throat?
Tonsils
How does the circulatory system work with the respiratory system?
It transports oxygen from the lungs to the body and brings carbon dioxide back to the lungs to be exhaled.
How does the digestive system work with the circulatory system?
It absorbs nutrients into the blood, which the circulatory system then delivers to the rest of the body.
What muscle helps control breathing?
Diaphragm
How does the nervous system interact with the muscular system?
It sends signals to muscles to create movement.
How does the immune system interact with the skeletal system?
The skeletal system produces white blood cells in bone marrow to fight infections.
How does the circulatory system help the immune system?
It transports white blood cells to fight infections.
Which system helps remove solid waste from the body after digestion?
Excretory system
How does the respiratory system interact with the nervous system?
The nervous system signals the diaphragm to control breathing based on the body’s oxygen needs.
Which system helps the nervous system maintain homeostasis by controlling all body functions?
Endocrine system
How does the excretory system support the immune system?
It expels waste and toxins, helping remove pathogens from the body.