Answer:
B. Intrinsic
Explanation:
Intrinsic controls are also known as local controls involve only one organ or only one tissue. Intrinsic controls allow the organ or the tissue to maintain homeostasis on their own. For example, the heart it controls its heartbeat. As a response to changing blood volume, the heart adapts to it by controlling its heartbeat.
The calcium that triggers muscle contraction is stored in synaptic vesicles called endoplastic reticulum. that is not the only function of the endoplastic reticulum it is also a network of a membranous tubules within the cytoplasm of a eucryotic cell continuous with the nuclear membrane.
With Freezing.... the substance energy level decreases.
Freezing is endothermic and as such energy is lost to the environment
from the substance thus decreasing the energy level.
Answer:the job of that is to let nutrients or good things inside and keep the unwanted out. To make sure what the cell needs to survive and reproduce
Explanation:hope this helps
Answer:
To cause a phase change, you either add heat energy to a substance to cause it to evaporate, melt, or sublimate, or you subtract heat energy, or take it away, to make the substance freeze or condense. Hope it helps!
Explanation:
