Epinephrine
Epinephrine is usually produced by the two kinds the adrenal
glands and certain neurons. It plays an
important role in the fight-or-flight response by increasing blood flow and
also to muscles, output of the heart, pupil dilation, and blood sugar.
A)no, they do, they do have hemoglobin! what they do lack is a nucleus (so answer B is also false)
c) - no, inflammation would be more a response of immune cells (not red blood cells) to a foreign body or organism
d) -yes, this is the correct one!
The muscular system can be broken down into three types of muscles: skeletal, smooth and cardiac, according to the NIH. Skeletal muscles are the only voluntary muscle tissue in the human body and control every action that a person consciously performs. The muscle that is found at the heart is Cardiac Muscle. It is an involuntary, striated muscle that constitutes the main tissue of the walls of the heart. Hope this helps.
The came too fast.
During the 20th century the canal water efforts to create major changes in South Florida landscape. The leeve-canal in Evergrade failed to improve the wetland habitat, a canal was constructed to drain and reclaim the wetlands.
Liquid water, which is necessary for life as we know it, continues to exist on the surface of Earth because the planet is at a distance, known as the habitable zone, far enough from the Sun that it does not lose its water to the runaway greenhouse effect.
