Peopld with deficienes of the lactose can not properly digest?

When two movable joints meet at a joint, their do not touch one another.

This migraine wont go away and i dont feel safe taking any more medicine for the next few hours

Although animals share many common characteristics, there is also a great amount of diversity found in animals. which animals are ectothermic, obtain dissolved oxygen in water through gills, have scales, have fins, and live in water?