The protein in the question can be referred to enzymes since its made of protein. The first statement is the answer
Your answer is A. Flowers attract and fruits spread the seeds because animals eat them.
In the stomach, food undergoes chemical and mechanical digestion. Peristaltic contractions (mechanical digestion) churn the bolus, which mixes with strong digestive juices that the stomach lining cells secrete (chemical digestion). As food travels from your mouth into your digestive system, it's broken down by digestive enzymes that turn it into smaller nutrients that your body can easily absorb. This breakdown is known as chemical digestion.
Your body has many organs such as the heart and the lungs.
