Circulatory system.....circulates blood (a vital delivery system of oxygen) throughout the whole body when tissues need it the most and with a constant supply.
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:
Explanation:
The relation between individual and society is very close. Essentially, “society” is the regularities, customs and ground rules of anti human behavior. These practices are tremendously important to know how humans act and interact with each other. Society does not exist independently without individual.
Answer:
round worms reproduce sexually
the nervous system of a roundworm contains a brain and nerve cords
Explanation:
Scientist disputes the claim that the Loch Ness monster exists beyond folklore because no one has truly seen them. Loch Ness monster in Scottish folklore is a monster that resides in the Scottish highlands in Scotland.
Scientists follow methods to substantiate a claim. A body of evidence must be available to justify an observation in the scientific realm.
No clearcut picture of the monster has been taken.
The monster is merely a folklore myth just like dragons.
Science does not work with hearsay and claims that cannot be substantiated and proven.
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