Answer:
The cornea is the only part of a human body that has no blood supply; it gets oxygen directly through the air.
Explanation:
Answer:Classification, in biology, the establishment of a system of categories on the basis of presumed relationships among organisms. The science of biological classification is commonly called taxonomy.
Answer:
A)
Explanation:
The nucleus contains genetic information and acts as the control center of the cell. B) is also partially true but A) is the important part about the nucleus.
Answer:
Active transport necessary for the sodium-potassium pump to work because It allows sodium and potassium to move against their concentration gradient.
Explanation:
The transport of sodium ions outside the cell and potassium ions inside the cells is called active transport that requires the ATP hydrolysis. ATP provides the energy required for this procedure. This sodium-Potassium pump works to move the ions against their concentration gradient to keep the sodium concentration low inside the cells and potassium concentration high inside the cells.
Well, the body has a endless supply of energy (even if you have an energy drink or a lot of coffee) but anyway we will always have a lot of energy until you have to go to the other world (if you know what I mean)