The Circulatory & Immune system
A network of organs and vessels responsible for the flow of blood, nutrients, hormones, and oxygen to and from the cells
What is the circulatory system?
These carry oxygen-poor blood back to the heart
What are the veins?
The number of chambers that make up the heart
What is 4?
The amount of blood within a circulatory system?
What is 4-5 Liters?
This is the internal balance of a living organism.
What is homeostasis?
This is the ability of an organism to recognize and attack pathogens to which it has been previously exposed.
What is immunity?
The chamber of the heart that is responsible for moving oxygen-poor blood to the lungs
What is the right ventricle?
The muscle that pumps blood received from the veins into the arteries throughout the body
What is the heart?
This is the formal name for red blood cells & white blood cells.
What are erythrocytes and leukocytes.
The leading cause of death in the United States, killing over 610,000 people every year, accounting for 1 in every 4 deaths
What is heart disease?
This is the body's final line of defense. this produces chemicals and blood cells to fight specific pathogens.
What is the immune system?
The chamber of the heart responsible for receiving oxygen-rich blood from the lungs
What is the left atrium?
The thumping sound made by the heart due to the closing of the four heart valves
What is a heartbeat?
When you donate blood, these different layers can be seen.
What are erythrocytes, leukocytes/platelets, and plasma?
If someone gets a cut, these will help the blood to clot, creating a scab.
What are platelets?
This is the ability of your body to create its own antibodies.
What is active immunity?
The largest artery in the body which carries oxygenated blood from the heart to the organs and tissues
What is the aorta?
These carry oxygen-rich blood away from the heart to the rest of the body
What are the arteries?
This is what gives blood cells the red color and carries iron.
What is hemoglobin?
These 4 nonspecific defenses are what your body will attempt before T-cells and B-cells come on the scene.
What are skin, mucous membrane, inflammation, and fever?
This occurs when your immune system fails and begins to attack itself because it can't recognize the difference between pathogens and normal cells.
What is an autoimmune disease?
What returns blood from the upper body unit to the heart?
The heart would produce lots of heat from immense amounts of friction, but doesn't because of this.
What is the pericardium - a fluid filled sack?
These are two ways the body can increase blood pressure.
What are pumping more blood and constricting blood vessels?
This type of blood cell will communicate with B-cells and killer T-cells.
What are helper t-cell?