<span>Since you left off the choices, I have to just present the facts of what occurs first in the nerve impusle. The first thing that will is happen is the sodium ios will move to the inside of the nueron. The second step is the potassium ions will move to the inside of the neuron. After those move into the nueron, calcium will then move into the nueron. Both the sodium and potassium have 1 postive charge. While the calcium ion has 2 positive charges. </span>
Answer:
Cells and tissue
Explanation:
Cells are the most basic unit of life made up of several organelles that perform various functions which enables the cell to exist.
An aggregation of cells is called a tissue. The bone is composed of several interconnected cells and tissues.
A bone heals when bone cells and tissues are gradually repaired. Hence, the most basic levels of organization involved when a bone heals are cells and tissues.
The answer is Archegonia and Antheridia. Female gametangia are called Archegonia while male gametangia are called Antheridia.
The statement is false. Squash and tomatoes are not vegetables, thus they considered as fruits.
The shape you will not see is a crescent . <span />
