Answer:
1. sphincter muscle and dilator muscle
2. Axial skeleton
Explanation:
1.The iris in the human eye is responsible for controlling the exposure of of light that reaches the retina. The movement of iris is controlled by a muscles called sphincter muscle and dilator muscle. sphincter muscle constricts the pupil in bright light while dilator muscle expands the pupil.
2. Sternum belongs to the axial skeleton, which is a long flat bone located in the central part of the chest. Axial skeleton consists of 80 bones and strenum is one of them. Axial skeleton functions to provide protection to vital organs such as brain, heart and lungs. Strenum functions to protect heart.
These lines (there is four of them) are residuals of the fusion of the five sacrum vertebrae that are fused. These "vertebrae" or segments present a characteristics, being the first of them very similar to a lumbar vertebra, large, and the other vertebrae are<span> progressively smaller and flattened. They also present a curved shape being anteriorly concave.</span>
Answer:
the right atrium.
Explanation:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium.
Answer:
Before discussing more about freshwater swamp forests, we need to know in ... Animals that live in swamps include alligators, amphibians, shellfish, bears and panthers. ... and cypress knobs provide a rich, sheltered habitat for nesting birds, as well as ... All kinds of amphibians (frogs, toads and salamanders) can be found.
Explanation:
<span>Diet drugs such as lorcaserin and
phentermine-topiramate help people in losing weight by reducing food intake. These
drugs are affecting the central nervous system, which act as an appetite suppressant
where a person will not feel hungry or has lesser urge in eating does reducing
his/her food intake. Weight loss will be much effective if these drugs will be
adjunct with exercise and reducing caloric intake.</span>
