WorksheetsUnit 4 Review
Total questions: 16
Worksheet time: 8mins
The circulatory system transports (a) , nutrients, hormones and waste products.
How many chambers does the heart have?
3
2
6
4
Why does the heart's right and left sides appear reversed?
The heart's (a) ensure that blood flows in one direction.
What is the name of the node that sends electrical signals that tell the heart muscles to contract?
Atrioventricular
Sinoatorial
SA
AV
Blood circulates trough the body in about how many seconds?
30
120
60
90
Circulation involves both _____ and _____ circulation.
Pulmonary
Aortic
Veinious
Systematic
Blood pressure measures the (a) blood exerts on the walls of the arteries.
What is another name for a heart attack?
Myocardial Infarction
Myocardial Infraction
Plaque Infraction
Plaque Infarction
What is plaque?
A buildup of fatty substances in blood vessels
The fat that causes death to white blood cells
A buildup of proteins that causes heart attacks
The carbohydrate that prevents oxygen from reaching heart tissues
What are atria?
Lower chambers that receive blood
Lower chambers that pump blood out of the heart
Upper chambers that receive blood
Upper chambers that pump blood out of the heart
Do veins or arteries have higher blood pressure?
Veins
Arteries
(a) are tiny blood vessels where oxygen and nutrients leave the blood, and carbon dioxide and waste enter.
(a) (high blood pressure) increases the risk of heart attacks, strokes, and kidney damage.
Blood pressure is measured in two numbers: _______ and_______
Systolic and Diastolic
Systematic and Myocardial
Systolic and Distolic
Distolical and Systolical
A buildup of _____ causes heart attacks
Plaque
Clamage
Infarctions
Myocardiums
