The Circulatory System

Question 1

The human circulatory system is organized into two major circulations incorporated into a single organ

Answer 1

the heart

Question 2

The two sides of the human heart are seperated by the

Answer 2

septums

Question 3

One septum is the

Answer 3

interatrial septum

Question 4

The other septum is the

Answer 4

interventricular

Question 5

The right side of the heart pumps blood through the

Answer 5

lungs

Question 6

The left side of the heart pumps blood through the

Answer 6

body

Question 7

the adult human heart is about the size of a

Answer 7

fist

Question 8

The heart is made up of 2 muscle masses the first is the two

Answer 8

atria

Question 9

The second is the two

Answer 9

ventricles

Question 10

The SA node is also known as the

Answer 10

hearts pacemaker

Question 11

The blood passing throught the arterioles passes through a bed of minute vessels called

Answer 11

capilaries

Question 12

The capillaries empty the venous blood into collecting tubes called

Answer 12

venules

Question 13

One function of the lymphatic system is to collect and recycle

Answer 13

lymph

Question 14

The tissues of the lymphatic system include the

Answer 14

spleen

Question 15

The cells or…. comprise about 45% of the blood

Answer 15

corpuscles

Question 16

And the liquid part also called…. comprises 55% of the blood

Answer 16

plasma

Question 17

The blood cells have 3 main types: 1 is red cells or

Answer 17

erythrocytes

Question 18

White blood cells or

Answer 18

leukocytes

Question 19

platelets or

Answer 19

thrombocytes