Answer
D: cell wall, Chloroplast
Explanation:
saliva in mouth
pepsin,hcl,and mucus are responsible for digestion of food
As the race begins, all of your physiological support systems - the musculoskeletal, cardiovascular, respiratory, digestive, immune, nervous, ...
Electromagnetic fields and therefore waves are generated orthogonal to the electric current that generated it.
Answer: Carbohydrates like sugar and starch are readily broken down into glucose, which is the body's main energy source. Glucose can be used immediately as fuel or stored as glycogen.
