Digestive
What is the first organ in the digestive system?
The mouth
What is the first organ in the respiratory system?
The nose
What is the main organ in the circulatory system?
The heart.
What is the main function of the immune system?
To fight disease and keep up healthy.
What is the long tube that carries food to the stomach called?
The esophagus
What is the main function of the respiratory system?
To absorb oxygen.
What is the main function of the circulatory system?
To distribute oxygen around the body via blood.
Which body system helps us move?
Muscular and skeletal
Which organ absorbs the most water in the digestive system?
The large intestine
Where does air go after the nose and the throat?
The trachea
Name the 3 types of blood vessels in the body.
Arteries, veins, and capillaries.
Which body system is the spinal chord a part of?
The nervous system
What is acid reflux and how does it happen?
The "gate" before the stomach not closing causing stomach acid to splash up into their esophagus and throat.
Where is oxygen absorbed?
The alveoli in the lungs
What are capillaries?
Tiny blood vessels that allow for gas and mineral exchange in tissues/organs.
Which organ system is involved in filtering blood and making urine?
The excretory/urinary system.
Where does water and nutrients go right after they are absorbed in the intestines?
The blood
What organ allows the lungs to expand?
The diaphragm.
Which blood vessel would have the highest blood pressure and why?
The arteries because it is leaving the heart. The heart is a big pump that creates a lot of pressure.
How is the circulatory system connected to the respiratory system. Name 2 ways.
The blood flows into the lungs to absorb oxygen in the alveoli. The oxygenated blood also provides oxygen to the lungs so they can continue to work. They depend on each other.