Answer:
Pumps blood through the pulmonary circuit (provides gas exchange) to the lungs and back to the left heart. ... Pumps blood by the systemic circuit to all body tissues and back to the heart.
Explanation:
Cognitive development causes the need for synaptic pruning because as the brain begins to develop deeper connections, the pruning of the more simple functions begins and more complex connections start being made.
Bacterial Sexually Transmitted infection can be treated with antibiotics. Antibiotics treat bacteria by creating antibodies.
The second answer. He was looking for a quick fix.