Pericardium is a membrane that surrounds the heart and the roots of the blood vessels. It is composed of two layers: the serous layer and the fibrous layer.
The Pericardium keeps the heart in place and in proper working order. Any disorders that occurs in the pericardium will also affect how the heart works.
Inflammation of the pericardium may be a result of infection, heart attack, heart surgery, and other medical side effects.
Answer:
The cytoplasm is a jelly like substance that supports and suspends organelles and molecules inside the cell. It also helps move and dissolve materials throughout the cell including waste molecules, proteins, and hormones.
I hope this helps! I tried to keep it short and simple. :)
Answer:
Retraction.
Explanation:
When someone suffers from lower eyelid retraction, it means that their lower eyelid has actually been pulled downward which is an example of a scary face.
Another example is by grabbing your bottom lip with your top teeth. When you do this, your mandible moves in an anterior direction.
Air: it moves, but is not alive
Thermometer: responds to stimuli (temperature), but isn’t alive
