When you see a fast-moving car, your eyes send the image to…

When you see a fast-moving car, your eyes send the image to your , which quickly recognizes the danger. Your amygdala triggers a fight-or-flight response, and your  nervous system releases adrenaline, your heart rate and breathing to send more oxygen to your muscles. Your  cortex then signals your leg muscles to move, helping you quickly jump to safety. Once you’re safe, your  nervous system helps your body calm down by your heart rate and breathing. This all happens in a split second, allowing you to react quickly to avoid danger.

The pancreas acts as both a digestive and an endocrine organ…

The pancreas acts as both a digestive and an endocrine organ. As a digestive organ, it releases into the small intestine to help break down food. This is part of its function, where substances travel through ducts, not by blood vessels. As an endocrine organ, it releases like and glucagon into the bloodstream to regulate blood sugar levels.

After eating pizza, carbohydrates start to break down in the…

After eating pizza, carbohydrates start to break down in the and are further digested and absorbed in the intestine. Proteins start digestion in the and are fully broken down and absorbed as amino acids in the small intestine. Fats are emulsified by and fully digested by pancreatic enzymes, then absorbed into the system through the small intestine.