7.) Fill in the blanks: As muscles work, they use
and produce.

Results from damage to tiny air sacs in the lungs

Absorption of food occurs in the small intestines true or false

Claire lost weight to the support and encouragement of her friends. they her stick to a healthy diet and pushed her to engage in physical exercise every day. identify the factor that her lose weight. a culture b. heredity oc. physical environment d. social environment reset next