The Blood system

Question 1

What is the Circulatory System?

Answer 1

The circulatory system is the
organ system responsible for
transporting oxygen and
nutrients around the body as
well as removing waste from
tissue cells.

Question 2

What did William Harvey discover?

Answer 2

William Harvey is credited with
discovering blood circulation in the
1600’s.

Question 3

What are arteries?

Answer 3

Arteries are blood vessels that carry
oxygenated blood away from the
heart to cells in the body.

Question 4

What are cappilaries?

Answer 4

Capillaries are branches that transport blood from artery to vein. They from branches throughout almost all tissues in the body

Question 5

What are veins?

Answer 5

Veins, much like arteries, transport de-oxygenated blood back to the heart.

Question 6

Atrioventricular

Answer 6

between atria and

ventricles

Question 7

Semi lunar

Answer 7

between

ventricles and arteries

Question 8

Pulmonary Artery

Answer 8

carries
blood from the heart to the
lungs

Question 9

pulmonary Vein

Answer 9

receives

blood back from the lungs

Question 10

Aorta

Answer 10

carries blood out of

the heart to the body

Question 11

Coronary Artery

Answer 11

delivers

blood to heart tissue

Question 12

Vena Cava

Answer 12

Receives blood from the body

Question 13

What is the Cardiac Cycle?

Answer 13

The cardiac cycle refers to a
complete heartbeat from
beginning to end.

Question 14

What is Atherosclerosis?

Answer 14

Atherosclerosis is a common health issue that occurs when fatty
tissues develop in artery walls and muscle cells form a cap over
them.

Question 15

When does Coronary occlusion occur?

Answer 15

Coronary occlusion occurs when buildup in the

artery prevents its ability to deliver oxygen and nutrients.

Question 16

What is the coronary artery?

Answer 16

The coronary artery is responsible for transporting blood to the
heart’s tissues.

Question 17

What is a sinoatrial node?

Answer 17

A heartbeat is initiated by a group of specialized cells called the
sinoatrial node.

Question 18

What is the Myogenic ability?

Answer 18

The sinoatrial node
is made of muscle cells
and initiates a heart
beat without neurons.

Question 19

What does the medulla signal?

Answer 19

The medulla has a cardiovascular
center that is connected to the heart
via two nerves. One signals to
increase the heart rate while the
other signals to decrease.

Question 20

When is Epinphrine secreted?

Answer 20

Epinephrine (aka adrenaline) is
secreted by the adrenal glands
when vigorous physical activity
may be needed.