What does mechanical digestion in the stomach involve? strong muscular contractions
strong muscular contractions

absorption of nutrients by villi
absorption of nutrients by villi

bile and pancreatic fluid
bile and pancreatic fluid

pepsin and bile

The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents

Jane is blood type a her husband is blood type b. jane is puzzled because their daughter is type o. explain how the daughter inherited a blood type that neither of her parents had explain your answer

What best describes the structure of the declaration of independence?