Organs , fins is the correct answer
A group of cells working together to do a job are called tissue
Well, younger teens and children have a more rapid growth while young and older adults have a more steady approach. Young adults produce more children.
When you swallow food, it doesn't just drop down into your stomach. Muscles contract in a wave-like motion to move the food along through the esophagus. This muscle movement is called, peristalsis, or peristaltic waves. These peristaltic waves contract behind the food bolus pushing it along the digestive tract.
Answer:
Tips for helping patrons to manage material.
