<span>eating right, staying physically active, try a new activity.</span>
Answer:
The muscularis externa layer
Explanation:
The muscularis externa layer has three layers of muscle. An innner oblique layer , a middle circular and an external longitudinal layer. The contraction of these muscle layers help to break up the food mechanically.
The important structure of the urinary system is:
The kidneys, ureters, bladder, and urethra are the primary structures of the urinary system. they filter blood and remove waste from the body in the form of urine. The size and position of lower urinary structures vary with male and female anatomy.
Hope this helped
Answer:
A
Explanation:
because all of the other answer are an affect of tobacco use so A is correct