Answer: Option D: Neuromuscular junction
Explanation:
This is the site of transmission of chemical signal also known as a chemical synapse between a neuron and a muscle fibre. Most of the time the chemical released which is a neurotransmitter is acetylcholine. When released, it stimulates the release of calcuim ions present in the sarcoplasm: an endoplasm like structure in the muscle fiber that contains calcium ions.
Tornado. The other choices can take years upon years
The correct answer is Streptococcus.
Glomerulonephritis (GN) is inflammation of the glomeruli and may be acute or chronic. Acute glomerulonephritis can be a response to an infection (immune system overreacts to the infection) such as strep throat which is caused by group A Streptococcus bacteria.
