The exchange takes place in the millions of alveoli in the lungs and the capillaries that envelope them.
Answer:
D.) When the dense, positive alpha particle passes close to a positive nucleus of gold, the alpha particle repels and hits the screen at point X.
Explanation:
Answer:
Basically, the Atrioventricular valves are Mitral and Tricuspid valves located between the atrium and ventricles. Their main functions is to “prevent the backflow of blood from the ventricles into the atrium during the ventricular contraction (systole).
Explanation:
Th answer is D its the best answer that fits the question .
Yes, elk are herbivores because they eat things such as grass and shrubs but not meat.