Answer:
The return of blood to the heart is assisted by the action of the skeletal- muscle pump. As muscles move, they squeeze the veins running through them. Veins contain a series of one-way valves, and they are squeezed, blood is pushed through the valves, which then close to prevent backflow.
Answer:
The correct answer is - option A.
Explanation:
Price floor is a minimum price determined by the government at which a particular item can be sold. It is legal to sell the item on the minimum price which is often imposed by the government when farmers or sellers of the item convince that market price is not fair without a price floor.
In this case the farmers are farmers use improved, drought resistant seeds, which lowers the cost of growing soybeans which can transform the price floor.
Thus, the correct answer is - option A.
I would just survey whoever is in my house. And I will be honest I have no idea what the survey is about but obviously your school (k12 maybe?) would not expect you to go around the neighborhood asking random people where their knuckle hair is located. All I can say Is try your best. Hope this helped. XD
Answer: Excretory
Explanation: My grandpa went through this recently and I had to learn all about it. :(
<h2>A guaiac Fecal occult blood test </h2>
Explanation:
- "I should instruct the patient to abstain from taking nonsteroidal mitigating drugs the day preceding the test."
- Nonsteroidal mitigating operators (typically truncated to NSAIDs) are a gathering of medications that assuage agony and fever and decrease aggravation.
- There are almost two dozen unique NSAIDs accessible, yet they all work similarly, and that is by hindering a particular gathering of chemicals called cyclo-oxygenase catalysts, frequently condensed to COX proteins. These chemicals are answerable for the creation of prostaglandins. Prostaglandins are a gathering of mixes with hormone-like impacts that control a wide range of procedures, for example, aggravation, bloodstream, and the development of blood clots.
