The answer u r looking for is- D* failure of the immune system to distinguish self from nonself. Hope I’ve helped ;)
The esophagus squeezes food down the digestive tract by an involuntary synchronized muscle movement called the Peristalsis
Answer:
D
Explanation:
the circulatory absorbs nutrients and carries the chemical to signal through endocrine to control the speed of digestion.
<span>A fossil is something that once was living that has slowly been replaced by minerals so pottery would beconsidered an artifact</span>