7. Contractions push the food along the gastrointestinal tract. Which two systems directly interact during this process? A muscular and digestive C digestive and circulatory B skeletal and muscular D digestive and excretory

The virus is considered to be are living item since they have hereditary material dnas or rnas. they can imitate and change. they respond to boosts, for example, radiation, chemicals, and warmth. they have antigenic properties. they are proficient to duplicate with a same hereditary constituent.

Idont see a question here