Calories indicate and measure the energy available in food. Fat is the
most calorie-dense food and carbohydrates are the body's preferred
energy source. Protein and carbs each contain 4
calories per gram and fat contains 9 calories per gram.
Answer:
biological sex is when a male and a female have sex
Explanation:
Ok when we inhale we are letting oxygen inside of us, that oxygen that we inhale helps our blood move around our bodies. When we breath out taking out all the old air thats called carbon dioxide and it is very dangerous because it can make us stop breathing if we dont find new oxygen fast. Please if you need more info just private message me.
The aorta is the body's main artery therefore that makes the aorta the main supply of pressure to make the blood flow.
