Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
33 Cards in this Set
- Front
- Back
|
What is circulation?
15-1 |
movement of blood through the body
|
|
|
What is closed circulatory system?
15-1 |
an organ system in which blood moves through vessels
|
|
|
What makes up the circulatroy system?
15-1 |
heart
blood vessels blood |
|
|
How does the blood move in a closed circulatory system?
15-1 |
BLOOD--blood vessels
arteries--capillaries--veins |
|
|
Who has a circulatory system?
15-1 |
vertebrates
fish, birds, humans |
|
|
What is the job of the circulatroy system?
15-1 |
MAIN: transport materials
Transport: 1. Food and Oxygen 2. Transport of Wastes(carbon dioxide) 3. Protection 4. Transport of Hormones 5. Regulation of body temperature |
|
|
What is a hormone?
15-1 |
chemical substance that regulates body functions
|
|
|
What is the central organ of the circulatory system?
15-2 |
HEART
|
|
|
Know the parts of the Heart.
15-2 |
aorta
pulmonary artery atrium spetum vein from body ventricle valve |
|
|
jWhat is the function of the heart?
15-2 |
PUMP BLOOD
|
|
|
How many parts does the heart have?
15-2 |
4 parts or chambers
2 upper and 2 lower |
|
|
What is the UPPER chamber called?
15-2 |
ATRIUM or ATRIA(p)
receives blood |
|
|
What is the LOWER chamber called?
15-2 |
VENTRICLES
pump blood out of the heart to all parts of the body |
|
|
What is the Septum?
15-2 |
thick tisue wall that separates the left and right sides of the heart.
|
|
|
What is a valve?
15-2 |
thin flap of tissue that acts like a one-way door.
stops blood from flowing backward |
|
|
What is an artery?
15-3 |
blood vessel that carries blood AWAY from the heart. largest artery: AORTA
thick muscular walls strong and elastic Think: Artery:Away(A:A) |
|
|
What is a vein?
15-3 |
blood vessel that carries blood back to(toward) the heart
thin walls |
|
|
What is a cappillary?
15-3 |
tiny blood vessel that connects arteries and veins
small, 1 cell thick (very thin) exchange of oxygen, carbon dioxide, food, and wastes takes place between blood an dbody cells |
|
|
What is the aorta15-3
|
largest artery in the body
|
|
|
What is plasma?
15-4 |
liquid part of blood
|
|
|
RED Blood Cells
(15-4) |
No nucleus
needs to be replaced functions for 120-130 days made in bone marrow of long bones JOB: transport or carry oxygen |
|
|
What is hemoglobin? (15-4)
|
protein found in red blood cells that carries oxygen
|
|
|
White Blood Cells
15-4 |
larger than red blood cells
different in shape than red cells have nucleus **Defend the body against foreign substances fight disease destroy germs |
|
|
What is a platelet?
1-4 |
piece of cell that is involved in blood clotting stop body from losig blood
tiny colorless Think about what happens when you cut yourself! |
|
|
How many blood types are there?
15-4 |
4 major types: A, B, AB, O
|
|
|
What is a transfusion?
15-4 |
tranfer of blood from one person into the body of another person.
|
|
|
What is centrifuge?
15-4 |
separates blood into two parts
solid and liquid spins around |
|
|
What is the pulmonary artery?
15-5 |
artery that carries blood from the heart to the lungs
|
|
|
What happens in the lungs?
15-5 |
gets oxygen from the capillaries and gets rid of carbon dioxide
|
|
|
What is atherosclerosis?
15-6 |
buildup of fat deposits on artery walls harden andn thicken
cholesterol high blood pressure |
|
|
What is a coronary artery?
15-6 |
artery that carries blood and oxygen to the tissues of the heart
If blocked a heart attack happens |
|
|
What is a heart attack?
1-6 |
failure of a part of the heart due to lack of blood and oxygen
|
|
|
Where can the pulse be felt?
15-3 |
in the artery close to the skin's surface
|
