Exam 22: Anatomy and Physiology of the Cardiovascular and Immune Systems

_______ conduct blood back toward the heart.

_______ circulation connects the heart and all the organs and tissues.

Specialized _______ muscle fibers make up the heart's conduction system.

The _______ is the volume of blood pumped by the left ventricle into the aorta in 1 minute.

Fill in the correct labels for the following figure using the word bank below. -A ________

_______ is the process by which cells engulf microorganisms, foreign particles, or other cells.

The _______ delivers blood from the organs of the digestive system to the liver.

The heart has its own specialized _______ system, which allows it to beat independently of its nerve supply.

Each heartbeat is initiated by the _______.

The _______ receive(s) blood returning to the heart from the veins and act(s) as reservoirs between contractions of the heart.

_______ are cells that ingest bacteria and other foreign matter.

The _______ is the largest organ of the lymphatic system.

_______ is the force exerted by the blood against the inner walls of the blood vessels.

The period of relaxation is known as _______.

Events that occur during one complete heartbeat make up the _______.

_______ typically develops from exposure to antigens and production of memory cells.

The circulatory system consists of two subsystems: the _______ system, which protects the body against disease and helps preserve fluid balance, and the _______ system, in which the heart pumps blood through a system of blood vessels.

________ is/are precise responses against specific foreign molecules that have gained entrance to the body.

Parasympathetic nerves release the neurotransmitter _______, which slows the heart.

Blood consists of red blood cells, white blood cells, and cell fragments called _______.