Nervous System
This system controls and coordinates all other body systems.
Nervous
This system transports oxygen, nutrients, hormones, and waste.
Cardiovascular
This system allows gas exchange in the body.
Respiratory
This system breaks down food into usable nutrients.
Digestive System
This system protects the body from pathogens.
Immune System
This organ is the control center of the body.
Brain
This organ pumps blood through the body.
Heart
These two organs fill with air and allow oxygen to enter the body.
Lungs
This organ stores urine before it leaves the body.
Bladder
These cells attack harmful invaders.
White blood cells
This structure connects the brain to the rest of the body.
Spinal cord
What is another name for the cardiovascular system?
Circulatory System
Smoking mostly affects which organs in your body?
Lungs
Most nutrient absorption happens in this organ.
Small Intestine
This type of muscle is found only in the heart and works without you having to think about it.
Cardiac
Explain how the nervous and muscular systems work together when you pick up a book.
The nervous system sends signals to muscles, causing them to contract and move the arm.
Explain how the cardiovascular and respiratory systems work together.
The respiratory system brings in oxygen, and the cardiovascular system carries it to cells and removes carbon dioxide.
How do the nervous and respiratory systems work together?
The nervous system sends signals to control breathing, and the respiratory system brings in oxygen and removes carbon dioxide.
How is the kidneys similar to the liver?
Both the kidneys and the liver help clean the blood by removing waste and harmful substances from the body.
Explain how the immune and cardiovascular systems work together.
The cardiovascular system transports white blood cells to fight infection.
How do the nervous system and immune system work together when you are sick?
The immune system finds the germs and sends white blood cells to fight them, while the nervous system sends signals that cause symptoms like fever or feeling tired.
Explain how the cardiovascular and digestive systems work together.
The digestive system absorbs nutrients, and the cardiovascular system transports them to cells.
Explain how the respiratory and muscular systems work together during breathing.
The diaphragm contracts and relaxes to allow air in and out.
What does the digestive and excretory systems have in common?
Both remove waste
Explain how the nervous, muscular, and immune systems might all respond if you step on a sharp object.
Nervous system senses pain, muscular system pulls foot away, immune system prevents infection.