Muscle contraction occurs when the brain tells the body to move. The brain ... Muscle cramps are primarily caused by a lack of ATP in the body. ... The function of potassium inside the muscle cell is to repolarize the membrane.
Wind erosion<span> happens when pieces of the Earth are worn away by strong winds over time, and </span>water erosion<span> happens when moving </span>water<span> such as ocean waves wear away rock instead of seeping into the ground. </span>Water<span> is a more powerful </span>erosion<span> force than </span>wind<span>.</span>
Thyroid gland produces:
1) T3<span> (</span>triiodothyronine<span>)
2) </span>T4<span> (</span>thyroxine<span>).
3) T</span>hyroid stimulating hormone<span> (</span>TSH<span>)
Hope this helps!</span>
D.mutations
Im sure it cannot be anything else