Answer:
DNA means deoxyribonucleic acid he is the small part of cell
Answer:
Pulmonary circuit
Explanation:
Pulmonary circuit of blood circulation serves to carry the deoxygenated blood from the right ventricle of the heart to the lungs and then returns the oxygenated blood from the lungs to the left atrium of the heart. The pulmonary trunk carries the deoxygenated blood from the right ventricle to the lungs.
The right pulmonary artery and the left pulmonary artery of the pulmonary trunk carry the blood to the right and left lung respectively. After the gaseous exchange, the pulmonary capillaries unite to form venules and finally the pulmonary veins which in turn carry the oxygenated blood to the left atrium.
Above the troposphere lies the stratosphere where jet airplanes fly. Temperatures increase with altitude because of increasing amounts of ozone. The ozone layer within the stratosphere absorbs harmful ultraviolet rays of sunlight. As the mesosphere extends upward above the stratosphere, temperatures decrease.
The Bunsen Burner is affected by the air supply given to the burner, you can regulate this with how far the air hole is open. Hope this helps.
Answer;
A compound
A substance which can be decomposed in two or more simpler substances by chemical action is called a compound.
Explanation;
A compound is a substance that is made from the atoms of two or more different elements that are chemically combined or bonded.
It is a pure substance that can be decomposed into simpler substances by chemical reactions, can not be separated into 2 or more substances by physical means.
Each compound has a formula showing which elements are present in the compound, and conisists of two or more elements in a fixed ratio.
