Valves are like flaps or lids that are used to transport blood from the atria to the ventricles. They act as inlets and outlets of blood.
Explanation:
The atrioventricular valves are located Left and right that are in the middle of atria and ventricle on both sides of the heart while two semilunar valves separate the right and left ventricles from the pulmonary valve and aortic valve.
The Atrioventricular valves are the mitral valve and the tricuspid valve. Mitral valve is in the left side and tricuspid valve is in the right. they both are separated by the atrium and ventricle
The two semilunar valves are the pulmonary valve and aortic valve. the pulmonary valve is on the right side separated by the right ventricle and pulmonary artery. The aortic valve is on the left and is separated by the left ventricle and aorta.
Answer:
Modern people are using the Earth for many things like farming, technology, art, and more.
Explanation:
Farming is a form of agriculture, people who farm can make money off of selling their crops, and they can also feed themselves.
Technology is a mix of mathematics, science, and the arts. Without technology, phones, laptops, cars, and other electronics would not exist right now. We need cars for transportation to get from Point A to Point B, and we use our phones and laptops for communication and entertainment.
Art is the form of human activities in creating visual, auditory or performing artifacts. Without art, life wouldn't be very pleasurable. People want to express themselves, and people want to see beauty. Art also helps historians tell about the past.
Hope this helped!
Answer:
They make the protein fibers in CT
Explanation:
Fibroblast is a proteinous compound which aids the synthesis and maintenance of extra cellular matrix.
They also help in the wound healing processes of the body and as a major component of the connective tissues in the body also.
The analysis above then validates the fibroblast as making the protein fibers in the connective tissue.
Answer:
I think that the answer is (A) It rotates on its side.
Explanation:
A few years ago I watched a video about the solar system. It said that Uranus is called the tilted planet because it is always on its side when it rotates. Have a nice day!!! Also, this site says that it orbits the sun on its side: https://www.universetoday.com/19279/10-interesting-facts-about-uranus/
Intoxication. Alcohol slows all of these.