Kelly, who is blind, switches on the fan in her room without anyone's help. she is able to do this because the Somatic nervous system relays the relevant information to her brain.
<h3>
Nervous system :</h3>
According to the classical doctrine of the nervous system, an animal's nervous system is a highly sophisticated component that coordinates its movements and sensory data by sending and receiving signals to and from various regions of its body.
<h3>
Somatic nervous system :</h3>
The somatic nervous system, also known as the voluntary nervous system, is the area of the peripheral nervous system responsible for the voluntary control of skeletal muscle movement.
A part of the peripheral nervous system called the somatic nervous system is responsible for the voluntary control of skeletal muscle movement.
<h3>Example somatic nervous system</h3>
The cranial nerves, which transmit information from the brain to the head and neck region, are an illustration of the somatic nervous system. In this area, conscious motor functions are under the control of the somatic nervous system.
To know more about cranial nerves visit :
brainly.com/question/14084468
#SPJ4
The biosphere is the worldwide sum of all ecosystems. Biodiversity is the variation of genetic species in the ecosystem.
hope this helped :)
Answer: Layer a is 500 million years old.
Explanation:
Trilobite is a member of the group of extinct arthropods found as fossils and they can be identified by the three-lobed as well as three segmented forms. These were the marine animals. These were appeared initially in the Cambrian Period. They used to live 542 million years ago so the fossils can be estimated to be aged of 500 above years old. These animals used to dominate in the sea area.
The best way of doing it without potentially causing harm to yourself, would be "wafting".
Top right one, metaphase is where the chromosomes are lined up in the middle (metaphase=middle)