Antibodies, White blood cells, complement system, lymphatic system, spleen, thymus, the bone marrow.
Answer;
-Stereocilia
Explanation;
-Stereocilia are not true cilia, they are very long projected microvilli, incapanble of movement on their own, in ear and male reproductive tract.
-Stereocilia are different from cilia, even though they have a similar name. They are more closely related to microvilli, and some may well consider stereocilia to be a variant of microvilli. They share some features of microvilli. However, stereocilia’s distinctive characteristics are their length and lack of motility. Stereocilia are basically apical modifications of the cell.
-Stereocilia are mechanosensing organelles of hair cells, which respond to fluid motion, or changes in fluid pressure in numerous types of animals for various functions, primarily hearing.
The iris is a pigmented muscular curtain found near the front of the eye and between the cornea and lens. It is perforated by an opening known as the pupil. The location of the iris is found in front of the eye lens and the ciliary body and posterior to the cornea. It is bathed in a fluid called as the aqueous humor.
The iris consists of two sheets of smooth muscles with opposing actions: dilation/expansion and contraction/constriction. The primary function of these muscles is tho control the size of the pupil and modulates how much light reaches the sensory tissue of the retina. The sphincter muscle of the iris is a rounded muscle that constricts the pupil whenever there is a bright light, whereas the dilator muscle expands the eye opening when it contracts.
Therefore, the answer is D. SMOOTH AND INVOLUNTARY because first of all the types of muscles that comprises the muscles in the iris are smooth and it is involuntary because they eyes auto-regulates the light that comes to it without our conscious effort.
Answer: O Experiments conducted were able to demonstrate that RNA was the genetic material that passed on information to the next generation.
Answer:
It's A I think it's the only that makes sense
