The medulla oblongata is the portion of the brainstem that blends with the spinal cord after passing through the foramen magnum.
The medulla oblongata is the lowest part of the brainstem and is continuous with the spinal cord after passing through the foramen magnum. The medulla oblongata is cone shaped and it contains several nerve cells which controls many autonomic (involuntary) functions such as breathing, sneezing, heart and blood vessel activity, swallowing and digestion. The medulla oblongata is the center for respiration and circulation and it also assist in transmitting messages between various parts of the brain and the spinal cord.
1. Aedes aegypti mosquito
2. Viruses
3. Monotropa uniflora
4. Smallpox , polio
5. Microtitre plates , etc
Answer:
Answer is A. Two hydrogen atoms join together to form a molecule of hydrogen gas.
Explanation:
The electromagnetic attraction existing between hydrogen and other electronegative atom, such as nitrogen or oxygen, is known as hydrogen bond. It can also be explained as the electromagnetic attraction occurring when hydrogen binds to a higher or larger atom such as nitrogen.
Note that , the bond existing between two hydrogen atoms resulting in the formation of a molecule of hydrogen gas is covalent bond. Covalent bond can simply be explained as the sharing of electrons.
Provide organs and muscles with the oxygen they need to function
Paliozoic era- sea life
Mezazoic era- dinorours
Centozoic era- current time
