Answer:
Rune Elmqvist is designated with the credits of establishing the first artificial cardiac pacemaker.
Explanation:
The eyes detect changes in posture and inform the brain about the position of the body, so vision is very important for maintaining balance, in the optic disc nerve fibers leave the eye.
Answer:
Crystal Size and Rock Texture
Explanation:
Extrusive rocks are also known as volcanic rocks. Igneous rocks are classified according to their texture and mineral or chemical content. The texture of the rock is determined by the rate of cooling. The slower the rock cools, the larger the crystals form.
Answer:
pygrogen
Explanation:
Fever is initiated when a substance in circulation, called a(n) pygrogen, acts on the hypothalamus causing it to reset body temperature to a higher setting.
