Explain the difference between hyperopia and myopia. Include information on the underlying cause of these visual disorders. 

The pulmonary circuit pumps blood _________.

Which of the following is true regarding B-cells?

_____________ consists of the trachea, bronchi, bronchioles, and alveoli.

______________ carry messages between neurons and other cells. 

Following ovulation, the ruptured follicle in the ovary undergoes changes to become the __________ and secretes hormones. 

Matching: Match each term with its description. 

True or False: The testes are suspended outside of the abdominal cavity because proper sperm development occurs below normal body temperature. 

 Upon activation, B-cells will divide to form _________. 

__________ helps nerve impulses travel faster on long axons.