Respuesta :

Answer:

Two systems that work very closely together are our cardiovascular and respiratory systems. The cardiovascular system includes your heart and blood vessels, which function to remove deoxygenated blood from and return oxygenated blood throughout your body. ... The heart then sends the oxygenated blood out to the body. The respiratory system starts at the nose and mouth and continues through the airways and the lungs. Air enters the respiratory system through the nose and mouth and passes down the throat (pharynx) and through the voice box, or larynx.

Explanation:

The digestive system and excretory system work together to digest food and remove undigested food in the body.

What are organ systems?

Organ systems are a collection of related organs, cells and tissues which perform a specific function.

Systems usually work together in the body.

An example of systems that work together is the excretory and digestive system. .

The hormones, organs and enzymes present in the digestive system and excretory work together.

Therefore, the digestive system and excretory system work together to digest food and remove undigested food in the body.

Learn more about digestive system at: https://brainly.com/question/18639907

#SPJ6

ACCESS MORE