The brain represents 2% of the total body weight for a human. But it uses 20% of the total oxygen and calories absorbed by the body (so ten times more than its weight ratio) it proves that it is an important organ that need a lot of energy.
The brain is the seat of higher functions (cognitive functions, senses, nervous responses) and vegetative functions. It is, therefore, an essential organ that regulates all vital functions. Like a central unit in a desk computer, the brain receives information from the entire human body via afferent nerves, integrates and analyzes them, and responds by emitting new signals that descend to the parts of the body concerned by the efferent nerves.
Answer:
-Developmental disorders are present at birth.
-Polymyositis involves muscle inflammation and weakness.
-Fibromyalgia involves muscle soreness, fatigue, and depression.
i sasy A for question one and C for question two
Hope this helps out!
Answer:
rons swords are made of iron and so they oxidize (a fancy word for rust), the process entails the metal absorbing oxygen from the air to create a new compound (rust).
Explanation:
A group of butterflies is officially called a kaleidoscope, although they are sometimes referred to as a swarm. site is called
<span>https://www.reference.com/pets-animals/call-group-butterflies-fa80701d0ec8218 hope this helps!</span>
