Food moves through this organ by peristalsis (involuntary muscle contractions), until it enters the stomach. Check the two body systems involved. A. Respiratory
B. Digestive
C. Skeletal
D. Integumentary
E. Muscular
F. Excretory/Urinary
G. Circulatory
H. Endocrine
I. Lympatic/Immune​

i think that d. wind is the answer.   i missed the question when i answered a. currents.

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

condenser is used to focus in the light microscope.