Sec1 Flashcards
(36 cards)
What is hemoglobin?
Molecule that carries oxygen and carbon dioxide.
What are the functions of blood?
- Blood carries oxygen to lungs and body.
- Blood carries waste to kidneys
- Blood transports nutrients
- Fight infections and help heal wounds
Platelets
Irregular shaped cell fragments that help blood clot
Fibrin
Threadlike fibers that form sticky nets to trap escaping blood cells and plasma and forms a clot
Plasma
Liquid part of blood is mostly water, nutrients minerals and oxygen are dissolved in plasma so that it can be carried to body cells.
What are the blood types
A
B
O- universal donor
AB-universal receiver
What are the two RH factors?
Negative and positive
Diseases of blood
Anemia, leukemia, and hypertension
Types of Circulation
Coronary, pulmonary, and systemic
Coronary
The flow of blood to and from the tissues of the heart
Pulmonary
Flow of blood through heart to the lungs and back to the heart
Systemic
The flow of blood throughout your body
Capillaries
Blood vessels that connect arteries and veins
Arteries
Blood vessels that carry blood away from the heart
Veins
Blood vessels that take blood back to the heart
Blood flow in the heart
Into superior vena cava and inferior Ben cava. Then into right atrium to right ventricle to lungs. Through the pulmonary veins. To left atrium and left ventricle and out through the aorta
Blood pressure
The pressure on the walls of your bodies blood vessels
Functions of lymphatic system
Disposes of body tissue fluid, puts water and oxygen into blood and fights infection.
Lymph
Contains lymphocytes, a type of white blood cell
First line defenses
Skin, respiratory, digestive, and circulatory system
Antigens
Foreign molecules to your body that don’t belong and are bad
Antibodies
A protein that’s your body made in response to a septic antigen that
Active immunity
Your body makes it owns antibodies
Passive
Your body gets antibodies from another source like an animal