Circulatory System

Question 1

pace maker)

Answer 1

SA node

Question 2

(catches and hold the impulse)

Answer 2

AV node

Question 3

to the

Purkinje Fibers and the

Answer 3

bundle branches

Question 4

_______________ contract

Answer 4

ventricles

Question 5

Which is another name for high blood pressure?

Answer 5

Hypertension

Question 6

pulse found at the wrist

Answer 6

radial pulse

Question 7

bottom point of the heart

Answer 7

apex

Question 8

relaxation period

Answer 8

diastole

Question 9

where gas exchange occurs

Answer 9

capillairies

Question 10

heart muscle

Answer 10

myocardium

Question 11

contraction period

Answer 11

systole

Question 12

inside layer of the heart

Answer 12

endocardium

Question 13

takes blood away from the heart

Answer 13

arteries

Question 14

sinoatrial node

Answer 14

SA node

Question 15

pulse found in the neck

Answer 15

carotid pulse

Question 16

takes blood towards the heart

Answer 16

veins

Question 17

layer around the heart

Answer 17

pericardium

Question 18

Atrioventricular node

Answer 18

AV node

Question 19

flat top portion of the heart

Answer 19

base

Question 20

Red blood cells

Answer 20

erythrocytes

Question 21

White blood cells

Answer 21

leukocytes

Question 22

Platelets

Answer 22

thromboctyes

Question 23

Systolic

Answer 23

measuers the pressure in the arteries when left ventricle contracts

Question 24

The ventricles contract after the electrical signal reaches the ______________.

Answer 24

Purkinji fibers

Question 25

This is the only artery that carries unoxygenated blood away from the heart.

Answer 25

pulmonary artery