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babunello [35]
3 years ago
5

What is the skin area along a central nerve pathway?

Biology
1 answer:
Butoxors [25]3 years ago
3 0
The human skin is the protective layer of the human body against the external forces like the temperature, sharp objects, microbes, fungi and other related materials that can penetrate and weaken the body however, the integumentary system prevents any harm come to the organism. The dermis is the skin area which has different structures that perform different functions. 
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natka813 [3]
It's hard to understand like only a part of the page. Could you take a picture of the whole page. Thanks.
5 0
3 years ago
Silvia has blond hair, even though her mother and father each have brown hair. What do we know about Silvia's parents? At least
Svetradugi [14.3K]

Answer:

Each of her parents must have one recessive gene for blond hair color

Explanation:

  • Blond is a recessive trait
  • Since Silvia is blond this means she has both copies of the recessive gene for hair color
  • Therefore, both her parents have a recessive gene for blond hair and passed it down to her.
  • The parents don't have blond hair because their dominant gene for browns masks the recessive gene for blond.
3 0
3 years ago
All the following statements about uncontrolled cellular division are true EXCEPT
larisa86 [58]

Answer:

C

Explanation:

You can not control your DNA.

8 0
3 years ago
Which of these is evidence of global warming?
Tanya [424]

Answer:

the answer to your question is A. Warmth = melting ice = more water = rising sea levels.

6 0
2 years ago
Read 2 more answers
Ian waterman was able to sense pain and temperature because his _____ pathway was intact, but could not feel touch and limb posi
ANEK [815]
<span>Ian Waterman was able to sense pain and temperature because his spinothalamic pathway was intact, but could not feel touch and limb position because of damage to his lemniscus pathway. </span>

The lateral spinothalamic tract is a sensory pathway which carries sensory information like pain and temperature to the brain, across the thalamus. Free nerve endings which are located in the peripheral tissues are sensitive to cell damage. Those are primary neurons and they pass the sensory signal. Primary neurons synapse with secondary which are located in the spinal cord (white matter). These secondary neurons will ascend through the brainstem, medulla oblongata, pons and midbrain, until synapsing in the ventroposteriorlateral (VPL) nucleus of the thalamus. From the thalamus, the information is sent to cortex (somatosensory cortex).

Posterior column-medial lemniscus pathway is ascending spinal tract, carrying sensory information to the brain (sensory pathway). It conducts localized sensations of fine touch, vibration and proprioception (position sense) from the skin and extremities (muscles) to the central nervous system (cerebral cortex).

8 0
3 years ago
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