The wall of the aorta is thicker than that of the inferior venacava; this is because the aorta is the artery that carries blood from the heart from the left ventricle to the whole body (except the lungs), while the superior and inferior venacava are the veins that carry blood from the body to the right atrium. Therefore, like the other arteries the aorta has walls that are thicker than those of veins.
The organ systems work together to regulate body processes. The correct option is B.
<h3>What is an organ system?</h3>
An organ system is a biological system made up of a collection of organs that collaborate to perform one or more functions.
Each organ in a plant or animal body serves a specific function and is made up of distinct tissues.
Every organ in the organ systems work in coordination to perform all the bodily functions. The organ systems work together to regulate body processes.
Thus, the correct option is B.
For more details regarding organ system, visit:
brainly.com/question/13278945
#SPJ1
Answer:
B. evolutionary relationships.
Explanation:
Systematics is biological study of the relationships among living things through time. It is used to understand the evolutionary history of life. Usually, relationships among organisms are presented and vizualized through the evolutionary trees. Branching of the tree shows group relationships while branch length shows amount of evolution.
Environmentalists are hoping to protect
<span>endangered organisms by calling for a reduction
in the use of pesticides, because loss of these
organisms would</span> <span>(3) reduce biodiversity in various ecosystems.</span>
