Increase in population in human and ticks that carried disease
The answer is atria; ventricles. The right atria receive blood from the superior vena cava that brings deoxygenated blood from systemic circulation. The right ventricle pumps blood via the pulmonary artery that takes blood to the lungs for oxygenation. The left atria receives oxygenated blood from the lungs. The left ventricle pumps the oxygenated blood to the systemic circulation via the aorta.
Answer:
Vertebrae
Explanation:
both birds and reptiles have a backbone or a <em>vertabrae. </em>therefore they are Vertebrates.
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Domain, kingdom, phylum, class, order, family, genus, species.
