Answer:
Tubules?
Explanation
The trachea, spiracle, and air sac are part of their respiratory system, Howeber, the tubules are what take away the carbon dioxide from their system. Im not sure if they produce the carbon dioixde. But they are a part of what removes the carbon-dioxide from their body.
The center of an atom is a nucleas. you can find this answer in most textbooks on science
Answer;
10 bacteria cells can fit into an animal cell.
Explanations;
Cells can vary greatly in terms of size and shape.Bacterial cells are very small, they are about 10 times smaller than most plant and animals cells. most bacterial cells range in size from 1 to 10 micrometers (in length). The size of an animal cell on the on the other hand ranges from 10 to 100 micrometers.
DNA is tightly wrapped around his tones, then those his tones tightly wrap together to form chromosomes.
Answer:
Epinephrine is both a hormone and a neurotransmitter, so is considered a chemical that acts on the type of endocrine intercellular signaling.
Explanation:
Epinephrine, or adrenaline, is produced by the marrow of the adrenal gland, under the coordination of the central nervous system.
Epinephrine is a molecule that acts as a hormone or neurotransmitter, being able to achieve physiological changes by binding to specific cell receptors. This type of action generates changes inside the cell. As this molecule is produced in one cell and is coupled to the receptor of another cell, it performs the type of endocrine intercellular signaling.
Learn more:
Epinephrine and thyroid hormone brainly.com/question/9999528
