What is blood classified as?
Liquid connective tissue
What are the 3 main types of blood vessels?
Arteries, Veins, and Capillaries
How does the heart pump?
It is an electrical system
What is homeostasis?
keeping everything level in the body
What is the purpose of the lymphatic system?
To defend and protect against pathogen invasion
What is a red blood cell called?
Erythrocyte
What blood vessel takes blood away from the heart?
Arteries
How many valves are in the heart?
4
How does the cardiovascular system contribute to homeostasis?
through transportation
What are white blood cells called?
leukocytes
What are the 3 main functions of blood?
Transport, Defense, and Regulation
How do veins return blood to the heart?
Valves
How many entrances are there to the heart?
2; superior vena cava and pulmonary artery
What gasses are exchanged in the lungs?
Oxygen and co2
What are the different types of leukocytes?
Neutrophils, Eosinophils, Basophils
What is the extracellular matrix made up of?
Blood plasma and water
What is special about the pulmonary artery?
It carries deoxygenate blood.
What are the "dog ear" like structures on the heart called?
left and right atrium
Where does blood nutrients
Digestive system
What are B cells?
cells that produce antibodies
What are the 3 types of plasma protein?
Albumins, Gobulins, and Fibrinogens
What is the only vein that carries oxygenated blood?
Pulmonary vein
What is the proper name for the "heart strings"?
chordae tendineae
where does excess nitrogen go?
Kidneys
What are T cells?
cells that directly destroy pathogens