CARDIOVASCULAR SYSTEM

Q.1 HOW MANY CHAMBERS DOES THE HEART HAVE?

• A) Six

• B) Five

• C) Four

• D) Three

Q.2 THE MOVEMENT OF BLOOD THROUGH THE HEART AND BODY IS CALLED:

• A) Circulation

• B) Locomotion

• C) Ventriculation

• D) Heart pump

Q.3 WITH CIRCULATION, THE HEART PROVIDES YOU BODY WITH:

• A) Oxygen

• B) Nutrients

• C) A way to get rid of waste

• D) All of the above

Q.4 It ia a special FLUID primarily contained withwitin the blood vessels

• A) Blood

• B) BLood Vessels

• C) Heart

• D) None of the above

Q.5 These are the tubes or channels that carry blood throughout our body.

• A) Blood

• B) Blood Vessels

• C. Veins

• D) Capillaries

Q.6 Why does are body transport more blood to our working muscles as we exercise?

• A) Because too much CO2 needs to be removed

• B) Because our muscles nned oxygen to carry on working

• C) It is needed to stop lacting acid forming

• D) It is needed to make our muscle stronger

Q.7 Regular exercise causes stroke volume to

• A. Increase

• B. Decrease

• C. Remain the same

• D. Stop

Q.8 During exercise the heart beats faster to pump blood to working muscle, delivery oxygen and nutrients.

• A. Increased muscular hypertrophy

• B. Increased heart rate

• C. Reduced heart rate

• D. Increased muacular strenght

Q.9 This is the combination of increased heart rate and stroke volume result in higher cardiac output, meeting the increased energy demand of exercise.

• A. Increased Cardiac Output

• B. Blood pressure Increased

• C. Blood Redistibution

• D. Increased Stroke Volume

Q.10 What are the main funaction of the cardiovascular system?

• A. To breathe

• B. To digest food

• C. To circulate blood and deliver oxygen and nutrients to the body

• D. To filter waste