Valves of venous system
What can be said about the valves of the venous system and explain their functions?
Expert
The valves of venous system are structures which allow the blood to flow in normal way which is from the tissues upto the heart and forbid it to return in reverse way in favor of the gravity. The valves close down while the pressure of the fluid column above is higher as compared to the fluid pressure before them. Valves are thus primary in order to return the blood to the heart.
Strategic Partnership It is is a formal alliance among two commercial enterprises, generally formalized by one or more business contracts however falls short of forming a lawful partnership or, agency, or corporate associate relationship.
In common which stage of the cell cycle has longer duration?
The super ego represents societal and personal norms and serves as an ethical constraint on behavior. It can best be described as the conscience. The super ego provides norms to ego to determine what is wrong or right. However, a person is not aware of the working of the super ego, and cons
How pancreatic juices contribute in digestion of the proteins? Name some of the involved enzymes?
Briefly define the term reflex arc?
This group development model given by Tuckman and Jensen characterizes groups as proceeding through five distinct stages: forming, storming, norming, performing, and adjourning. 1) Forming: this first stage is characterized by a great deal of uncer
Describe what are twins?
Illustrate the name of stages of menstrual cycle?
Explain about the different actions of antibodies against the bacteria and against virus? Why the cellular immune response is activated in case of the chronic viral infection?
Which kind of virus is HIV? What is the enzyme reverse transcriptase present in the HIV?
18,76,764
1930315 Asked
3,689
Active Tutors
1414253
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!