The _____________ is the end of the great cardiac vein and collects blood returning from the walls of the heart.

________ the growth of pus and infection within a pilonidal cyst, which may require treatment with antibiotics and/or surgical excision

Fill in the blank with correct word.

In the presence of irritation, the vocal cords can spasm, closing the glottic opening. This is known as:

A) glotticospasm. B) trachealspasm. C) bronchospasm. D) laryngospasm.