Answer:
The function of the digestive system is digestion and absorption. Digestion is the breakdown of food into small molecules, which are then absorbed into the body. The digestive system is divided into two major parts: The digestive tract (alimentary canal) is a continuous tube with two openings: the mouth and the anus.
The rhythmic sequence at which your heart beats is called a sinus rhythm, it is when the atria and ventricles of the heart contract.
Answer:
Because of a spinal reflex
Explanation:
Phototropism is a reaction to light but it only occurs in plants.