Answer: peristalsis
Explanation:
The ureters are the tubes that are composed of smooth muscle fibers these tubes propel urine from the kidneys into the urinary bladder. This process is called ureteral peristalsis. In ureter peristalsis, the smooth muscle contraction occurs in the ureter tubes this way the urine is transferred at a constant speed towards the bladder.
In adults, the length of the ureter is 25-30 cm and it is diameter is 3-4mm. The ureter is one of the essential organs of the urinary tract that controls the transport of urine.
Grow and develop
Are made of many cells
Can reproduce
<span>When a person smokes a cigarette, the body responds immediately to the chemical nicotine in the smoke. Nicotine causes a short-term increase in blood pressure, heart rate, and the flow of blood from the heart. It also causes the arteries to narrow. Carbon monoxide reduces the amount of oxygen the blood can carry. This, combined with the effects produced by nicotine, creates an imbalance in the demand for oxygen by the cells and the amount of oxygen the blood is able to supply.
So the answer is D. increased heart rate</span>
They can live on hard surfaces for up to 24 hours, but not things like tissues only live up to 15 minutes
