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snow_tiger [21]
4 years ago
11

The human body has natural steroids, a type of lipid. What is the function of steroids in the human body? A. They store extra en

ergy in the body. B. They build cell membranes. C. They carry chemical messages throughout the body. D. They prevent water loss from the body.
Biology
1 answer:
alisha [4.7K]4 years ago
7 0
Bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
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Place the following events of a reflex arc in the correct order: 1) motor neuron activation, 2) sensory neuron activation, 3) se
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Answer:

The reflex arc follows this sequence of events

1. sensory receptor activation

2. sensory neuron activation

3.information processing

4. motor neuron activation

5. effector response

Explanation:

Reflex arc is the pathway of nerves during a reflex action. An example of a reflex arc is when we accidentally touch a hot object. First, the receptor in the skin detects a stimulus in this case the change in temperature. Second, the sensory neuron transmit the electrical impulses to the Central Nervous System for information processing. Then relay neurons connect sensory neurons to motor neurons. Third, motor neurons sends electrical impulses to an effector wherein the effector produces a response ( muscle contracts to move the hand away from the hot object. This happens in a split of seconds.  

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Most domesticated animals have been bred for specific, favorable traits. Dairy cows are bred for maximum milk production while d
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Which of the following statements about the development of infectious diseases is correct?
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The period of Convalescence is the time during which the person regains health and fully recovers.

Explanation:

  • Diseases that can spread from one person to other  are called infectious disease.
  • Disease development is divided into Incubation period, Prodromal period, period of illness, Decline period, and period of Convalescence.
  • During incubation period the pathogen enters the host body and starts multiplying itself. But the signs of diseases are unnoticeable.
  • Then comes  the prodromal period, when the pathogen keeps multiplying itself and some signs of disease are observed but they are not obvious
  • After the prodromal period comes the period of illness when the patient exhibits obvious signs of sickness.
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