Breaks down food
Digestive
Sends electrical messages to detect and interpret info from inside and outside the body.
Nervous
Pumps Blood
Heart
Sends signals to the brain
Nervous
Moves oxygen into the body and removes carbon dioxide. Heart pumps blood through blood vessels. What are the 2 systems
Respiration and circulation
Breaks down the food also the first step of digestion
Mouth
Moves oxygen into the body and removes carbon dioxide
forms the outermost layer of the body and serves as the first line of defense against environmental threats such as bacteria, UV radiation, and physical injury.
Integumentary
Takes in oxygen and removes carbon dioxide
Lungs
Sends chemical messages to the body, controls emotions and hormons
Endocrine
Muscular and skeletal
Mixes food acid; acid and enzymes help break it down
Stomach
Sends signal to the brain then the brain tells this system to move the organ
Nervous and muscular
Digestive and excretion
a series of coordinated muscular contractions, to push food downward. There are two types of peristalses one triggered by swallowing, which produces strong, coordinated waves to move food efficiently, and a secondary type that occurs if food gets stuck, producing weaker contractions to clear the
esophagus