A, the others are unrealistic speeds.
Answer:
Explanation:Define dissection. The process of carefully separating tissues to reveal anatomical relationships.
While scientists have made enormous discoveries, there is always more to learn. Knowledge is built on and reviewed. Sometimes new information reveals an error in understanding from the past. The study of how the world works is always ongoing.
Answer:
Metabolism is a set of chemical reactions that they release energy for cellular processes.
Explanation:
Metabolic processes in cells are:
* Metabolism-the whole of all chemical processes, that is, the total turnover of matter and energy is called metabolism.
* Cellular respiration-a process in which organic matter is oxidized, whereby carbon dioxide, water, and energy in the form of ATP molecules are formed as end products of this oxidation.
Answer:
The return of blood to the heart is assisted by the action of the skeletal- muscle pump. As muscles move, they squeeze the veins running through them. Veins contain a series of one-way valves, and they are squeezed, blood is pushed through the valves, which then close to prevent backflow.
