75% 25%. If this is what you were looking for
Easy:
The four chambers of the heart are the right and left atria, and the right and left ventricles. The main veins connected the heart are the superior and inferior vena cava, the main artery is the Aorta.
The first chamber, (the right atruim) recieves deoxygenated blood and forces it into the right ventricles which forces the blood into the lungs for oxygenation. Then the blood reenters the heart in the left atrium, which forces the blood into the left ventricle and then out the Aorta to the rest of the body.
sorry, but this question needed kind of a long answer to be answered correctly.
Experiment 1 because cacti produce their own water
Prokaryotic: has no nucleus, has no mitochondria.
Eukaryotic: Has a nucleus, contain membrane bound organelles and divide through mitosis and meiosis
Answer:
This is True.
Explanation:
Biologists use the fluid mosaic model to describe membrane structure. The framework of a membrane is a bilayer of phospholipids with their hydrophilic heads facing the aqueous environment inside and outside of the cell and their hydrophobic tails clustered in the center.
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