Answer: Option A.
Transverse tubules rapidly move the action potential to the interior of the muscle potential.
Explanation:
Transverse tubules are cylindrical pockets found in the plasma membrane of muscle cells. They are formed from phospholipid bilayer or sarcolemma of skeletal or cardiac muscle cells. They have membrane that have large concentration of ion channels,transporters and pump. They permit action potention into the cell and also to a particular structure sarcuplasmic reticulum. They play a role in regulating cellular calcium concentration.
Answer:
Atelectasis occurs from a blocked airway (obstructive) or pressure from outside the lung (nonobstructive). General anesthesia is a common cause of atelectasis. It changes your regular pattern of breathing and affects the exchange of lung gases, which can cause the air sacs (alveoli) to deflate.
Answer:
The amount of land available for grazing decreases.
Explanation:
A rangeland can be described as a vast field of land comprising of grasses, shrubs and a few flowering plants. Such type of land is considered ideal for the the grazing of animals.
However, as more of this land is used for urban development, the more available land for grazing decreases.
<span>Plants don't necessarily need nitrogen to conduct photosynthesis.</span>