The cardiac muscle is only in the heart because it has special characteristics such as being able to make sustained contractions, coordinated movement, and rapid conduction. Hope this helps!
Evolution is not a thing god made humans <3
Answer:
the correct answer would be D or if not then B
Explanation:
For instance, light stimulation, heat stimulation, chemical stimulation, sound stimulation, etc. -The stimulus that comes from within an organism is the internal stimulus. Humor stimuli and neural stimuli etc (release of hormones such as thyroxine).
Answer:
C. Mitochondria
Explanation:
Viruses lack a mitochondria.
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pick of the sphere
