Pericardial sac also known as pericardium is a cone-shaped sac
made of fibrous tissue surrounding the heart and the blood vessels. It has two
parts: the inner coat which is double-layered supporting the heart; and the
outer coat which is solid and heavily built attached to the diaphragm and the
rear part of the breastbone.
Hello! The polar jet stream contains strong winds that moves weather around different parts of the globe. It affects the weather and temperature, because they push air masses around, and separates warm and cold air. Cold fronts formed from cold air represents represents low pressure systems, which consists of rain or other precipitation, while warm fronts represent high pressure systems and sunny weather. They play an effect on air transportation, because planes travel faster along the jet stream, but they also have to do with global warming.
Answer:
B. connective tissue
Explanation:
they act as a sorta framework for the organs, protecting them from moving around too much and also separates them from one another
<span>Meteoroids are small objects in space, usually made of rock or metal. These bodies often get close to a planet and fall through its atmosphere. A burning streak of light, called a (B. COMET) is visible as it falls through the sky. Sometimes the object does not burn up completely and a part of it survives the fall to the planet’s surface. These rocky bodies, called (D. METEORITES)
are studied by scientists to gain a better understanding of our solar system. </span>