Answer:
There are two main types of stem cells: embryonic stem cells and adult stem cells.Stem cells provide new cells for the body as it grows, and replace specialised cells that are damaged or lost. They can divide over and over again to produce new cells.
The answer is Barchanoid Dunes.
Best of luck,
The Artemis Wolf
The answer is apex and base. To simplify, the apex of the heart rests on the diaphragm and from its base, the great vessels emerge. In addition, blood vessels that are nearer to the pumping heart and must enlarge to endure pressure variations are named elastic arteries and foramen ovale permits blood to pass from the right to the left atrium, therefore avoiding to pass the fetal lungs.
I'll say that it is +1 since hydrogen is desperate to lose an electron to fulfill the octave rule (that the molecules want to gain 8 electrons and if they can't do it, they want to lose all their electron). Electron is - so if it lose a electron, it becomes +.
Hopefully this helps.
PS. I'm not certain of my answer but it is logical.
Answer:
Both muscular and skeletal system work together to make the organisms move from one place to another.
Explanation:
Skeletal system consist of bones which provides shape and supports to the body. It also provides protection to the delicate organs such as brain, lungs and heart etc. Bones are attached with one another with the help of muscles. All the vital organs are also made from muscles. These muscles helps the body to move, run, exercise and other movements and helps in the performance of your body.
