Circulatory system
What is the circulatory system?
It's a system of tubes and a pump (the heart) that moves blood around your body.
What is the cardiovascular system?
Includes your heart and blood vessels, which work together to move blood throughout your body.
What does the respiratory system do?
It helps you breathe
What is the digestive system?
A food processing factory in your body, turning the food you eat into tiny nutrients and energy.
What are the main parts of the Nervous system?
A communication network with two main parts: the brain and spinal cord and the nerves going through your body.
What are blood vessels?
They are the tubes that carry blood.
What is blood pressure?
The force of blood pushing against the walls of your blood vessels as the heart pumps.
What are the main parts of the system?
Main parts are the nose and mouth, windpipe and the lungs.
Why do our bodies need to digest food?
When the food breaks down it turns into nutrients which provide the energy for all our cells to work, grow, and stay healthy.
What does the brain do?
A control center that interprets messages from your body and tells it what to do.
How does blood get oxygen?
Blood goes to the lungs to pick up oxygen and get rid of carbon dioxide, then returns to the heart to be pumped to the body.
Why is blood pressure important?
High blood pressure makes your heart work harder, which can lead to serious health problems like heart attacks and strokes.
What are the lungs?
They are like two balloons inside your chest that fill with air.
How does food travel down the tube from your mouth to your stomach?
Food travels to your stomach through the esophagus.
What are the nerves?
Like wires that carry signals from your senses to your brain and carry instructions from your brain to your muscles and organs.
What does the circulatory system do?
Delivers necessary things like oxygen and nutrients to your body's cells and takes away waste products
What is the number of healthy blood pressure?
Healthy blood pressure is generally lower than 140/90 mmHg.
What is the diagrams role?
It is a large muscle that helps your lungs pull in and out air.
What is the job of the liver in digestion?
To produce bile, a fluid that helps break down fats into smaller pieces so the small intestine can absorb them
What does the spinal cord do?
The "highway" that carries messages between the brain and the rest of the body.
What is the hearts job?
Is a pump that sends blood to the lungs to get oxygen & then sends oxygen-rich blood to the rest of the body.
What are signs of having unhealthy blood pressure?
Signs can include chest pain, feeling short of breath, or swelling in your feet and ankles.
What happens to the air in your lungs?
Air goes into tiny air sacs called alveoli in your lungs.
What is the job of the stomach?
To hold and break down food into smaller pieces, using powerful acids and enzymes, to make it easier for the body to absorb nutrients
How are nerves protected?
The brain and spinal cord are protected by bones and layers of tissue called meninges.