Answer:
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Explanation:
<em><u>Our internal body temperature is regulated by a part of our brain called the hypothalamus. The hypothalamus checks our current temperature and compares it with the normal temperature of about 37°C. If our temperature is too low, the hypothalamus makes sure that the body generates and maintains heat.</u></em>
Answer: The body systems that are involved are:
--> Nervous System and
--> muscular system.
Explanation:
The body is made up of different organ systems which usually works together to bring about proper functioning of the living organism. Examples of the body systems includes:
--> The nervous system: This system enables the animal to detect and respond to stimuli rapidly.
--> The muscular system: This system enables the organism to move from one location to another.
Both the nervous system and the muscular system work together to bring about coordination of activities. When you step on a tack and jeck away, sensory receptors detects stimuli from the external environment and pass the information received as an electrical impulses to the brain through the nerve fibres. The information is processed in the central processing region which is the brain.
The effectors such as the muscles goes into action upon receiving nerve impulses from the brain. Such actions includes muscular contractions which helps you to pick up the tack and put it on your desk.
Rough ER is dotted with ribosomes which give it a "rough" appearance. Smooth ER doesn't contain ribosomes. :) Hope this helps!
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Answer:
The correct order for the events of neurotransmitter release from the synaptic terminal is given below...
Explanation:
1: Depolarization of the terminal membrane,
2: Voltage-gated Ca2++ channels activated
3: Extracellular Ca2+ enters terminal and binds to sensor protein
4: Change in the conformation of docking proteins
5: Fusion of the vesicle to the plasma membrane, with subsequent release of neurotransmitter into the synaptic cleft.
