Antibodies are secreted by

Correct Answer: C

Rationale: Plasma cells are responsible for producing and secreting antibodies as part of the immune response.

Correct Answer: C

Rationale: Plasmin is involved in breaking down clots, not forming them.

Correct Answer: D

Rationale: The pituitary gland is considered the master gland of the endocrine system.

Correct Answer: D

Rationale: The tricuspid valve is located between the right atrium and right ventricle.

Correct Answer: C

Rationale: Mucosa is a mucus membrane(& secretes mucus)