Answer:
The baby starts breathing
Explanation:
While in the womb, a fetus has its oxygen delivered to it, and the waste products removed (all via the mother's bloodstream), so there is no reason to separate all the chambers of the heart while still in the womb.
However, once the baby is born and it is breathing, the chambers need to differentiate in order to allow the blood to reach the lungs, and the oxygenated blood and deoxygenated blood do not mix.
They recommend a living will, through which a person decides which medical interventions would be desired or a durable power of attorney for healthcare, which appoints a specific person to act as their agent for medical decisions in the event the patient is unable to make such decisions.
Answer:
1. The ciliary muscle of the eye
2. The iris muscle of the eye
3. The piloerection muscle
Hope this helped!
Have a supercalifragilisticexpialidocious day!
Answer:
coronary arteries
Explanation:
The aorta (the main blood supplier to the body) branches off into two main coronary blood vessels (also called arteries). These coronary arteries branch off into smaller arteries, which supply oxygen-rich blood to the entire heart muscle.
Answer:
A disease that is affecting too many people at a global scale is called a Pandemic disease and <u>one good example of this kind of disease is the Spanish Influenza of 1918 that killed around 50 million people</u>.
