<h2>
Iris controls the dilation and constriction of the pupil</h2>
<u>Explanation:</u>
<em>Iris</em> is the part of the eye which is involved in controlling of the working mechanism of the pupil. It is a thin membrane which surrounds pupil. The specialized muscle present in Iris region of the eye are involved in controlling of light entry and its effect on the pupil.
When the light entering the eyes are very bright, it makes the<em> </em><em>iris to constrict</em><em> </em>and which in turn causes the <em>pupil to constrict,</em> whereas when the light entering the eyes is very dim, the<em> </em><em>iris dilates</em> and causes <em>pupil to dilate</em>.
Answer:
Your question is poorly written, but I could still tell you that the functional unit of the kidney is the renal glomerulus, Bowman's capsule.
Explanation:
Bowman's capsule is the renal unit in the form of a hollow glans in which the substances to be excreted are filtered. It is located at the beginning of the tubular component of a nephron in the kidney of mammals. Enclosed within Bowman's capsule is the glomerulus.
Answer:
both tolerance and withdrawal.
Explanation:
Answer: C. phenotype.
Explanation:
The disease phenotype is an observable characteristic or trait of a disease. It is influenced by the genetic make up and the surrounding environment of the organism. The appearance of symptoms, biochemical and physiological development of the disease is associated with the traits inherited from parents and also under the influence of the environment.
Answer:
Embryo
Explanation:
Embryo is multicellular diploid body, under mitosis it forms zygote which is single cell. The union of sperm cell and egg cell. This divides rapidly in the days followed by fertilisation. After two week of division it forms zygote. Most of flowering plants in the tissue present in the seed. It is surrounded by the embryo and also provides nutrition in the form of starch, it also have oils and proteins in it.