Answer:
Nomadic Bedouin tribes dominated the Arabian Peninsula before the rise of Islam. Family groups called clans formed larger tribal units, which reinforced family cooperation in the difficult living conditions on the Arabian peninsula and protected its members against other tribes.
Explanation:
After cells undergo mitosis, the end product is two identical cells that originated from the first cell.
protein is one of the food group that help us stay active. it is very important to have protein at least everyday
A. Pacemaker cells located in the atria fire before the pacemaker cells in the ventricles. B. It takes time for hormones to diffuse from the atria to the ventricles to trigger contraction. C.The electrical signal generated in the right atrium is delayed at the AV node before passing to the ventricles. D.The ventricular muscle cells contract more slowly than the atrial muscle cells.
Answer:
the skelatal system gives support and strength for your body.
