Pls is this clear enough
excuse the erased wrighting

Due to top first column B, the row 2 column 1 box should be Bb(unless I read it wrong). Besides that, it is good

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.

straight or amphibians are homeothermic to thermal