Answer:
lungs
left side of the heart (LA and LV)
to the rest of the body supplying the fuel that the body cells need to function
The body cells remove oxygen from the blood, and the oxygen-poor blood is returned to the right side of the heart (RA)which was the beginning of the blood circulation This circle trip is known as the circulation of blood.
Explanation:
The blood circulatory system is also known as the cardiovascular system. its is responsible for the delivery nutrients and oxygen to all body cells. It is made up of the heart and the blood vessels running through the entire body. the circulatory system is made up of the arteries and the veins which helps in the movement of blood from the heart and to the heart.
Answer:
Secondary succession.
Explanation:
Clearcutting leaves an area barren. It is a horrible practice and is opposed by every environmental group. There are better ways of logging without destroying the plant life present there. This is secondary succession because plant life did exist in the area that clear cut and will again if the logging company or the government will replant the area.
B) Cytosine pairs with guanine.
In a cactus, carbon is fixed only during the day. this is because cacti need sunlight to perform photosynthesis. Have a great day :)
Plant cells have several structures not found in other eukaryotes. In particular, organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules; cell walls allow plants to have rigid structures as varied as wood trunks and supple leaves; and vacuoles allow plant cells to change size.