Function of iris and pupil
State some of the function of iris and of the pupil?
Expert
The iris works just like diaphragm of photographic camera since it has muscles which contract or relax varying the pupil diameter. Whenever, the luminous intensity heightens parasympathetic nervous system controls the contraction of pupil; whenever there exist shortage of the light sympathetic nervous system stimulates the dilation of pupils. These movements depend on muscles of the iris.
What are the fossil fuels? Describe in detail.
What is endosymbiotic hypothesis regarding the origin of mitochondria? What are the molecular facts which support the hypothesis? To which other cellular organelles can hypothesis too be exerted?
Employee Empowerment: It is creating a working atmosphere where an employee is permitted to make his own decisions in particular work-related conditions. The decisions can be huge or small, and the size and outcome of the decision is
How does facilitated diffusion show similarities with the enzymatic chemical reactions?
What is meant by the Channel?
(a)Describe the lock and key mechanism of enzymes action. (B)Which properties of enzymes are represented by the lock and key mechanism?
Describe the usual reproduction cycle of a DNA virus?
As visual images are projected in the inverted manner on retina why we don't see the things upside down?
What is incubation period for mumps disease and what is the causal organism?
What are the basic symptoms of TMJ? What are the causes of TMJ?
18,76,764
1928802 Asked
3,689
Active Tutors
1416781
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!