Circulatory System Unit 6

ObjectivesDescribe the structure and function of the

human _________Trace the flow of blood through the ______ and

_________Distinguish between ________, _________ and

_____________ in terms of their structure and function.

Distinguish between __________ circulation and ______________ circulation

The HeartThe circulatory system is made up of the

_____________system and the lymphatic system.The cardiovascular system is made up of the

_____________, _____________ and ____________________________.

The Heart The _________ is the central organ of the

cardiovascular system.

The HeartSome of the important parts of the heart include:

________________ ________________ ________________

The Heart: The SeptumSeptum: separates the heart _________ into two

sides.

The Heart: The AtriumThe Atrium: is the _______chamber of the

heartThe Right Atrium: receives ________ blood

that is __________ to the heart

The Heart: The VentricleThe Ventricle: is the ___________chamber of the

heartThe Right Ventricle: pumps __________ blood

______ of the heart.

The Heart: ValvesThe valves

are flaps of ________ that control the flow of the _______

They prevent _________ flow in the _______

Diagram of the Heart

Diagram of the Heart

Circulation of the Heart Blood flows in the following

order ___________ __________ ___________ __________ _______________ _______________ _____________ (gas exchange) _______________ ________________ ______________ Rest of the __________

Circulation of the Heart: The Right Atrium

Path of blood as it circulates through the heart:_____________

blood enters the _______ _________

The right atrium sends ___________ blood into the ____________ _____________

Circulation of the Heart: The Right VentricleThe muscles of the

________ __________ contract and force blood into the _________________ ___________

Circulation of the Heart: The LungsThe ___________

artery sends blood to the _________

In the lungs:_____________diff

uses out of the blood

___________diffuses in

Circulation of the Heart: The Left VentricleThe muscular walls of

the ________ _________contract and force blood into a large blood vessel, called the ________

The Aorta: carries blood from the _____ ventricle to the rest of the __________

Flow Chart of Blood Flow

The HeartbeatThe heart contracts

its muscle cells in __________

The first group of heart-muscle _________

The second group of hear muscles cells ______

Control of the Heartbeat A heartbeat has _____ phases:

Phase One: _________ Phase Two: _________

Control of the Heartbeat: Phase OnePhase One, or _________ :

occurs when the ventricles ___________. This then pumps blood

_____ of the heart

Control of the Heartbeat: Phase Phase two , or _________

and occurs when the ventricles ________. This

This allows the _______ pressure of the blood.

Control of the Heartbeat The contractions in the ______ __________forces

blood through the _______ A series of pressure waves results, called a

_________

Blood Vessels The circulatory system is known as a

_________system. This is because the blood is contained within either

the ____________ or __________ __________at all times. Blood Vessels include:

_______________ _____________ ________________

Blood Vessels The blood vessels that

are part of the human circulatory system form a vast network to help keep the blood flowing in _____ direction.

Arteries The large, muscular

vessels that carry blood _______ from the heart and to the body are called _________

Blood Vessels As the heart

moves the blood through the __________, it produces a great force against the inside walls of a blood vessel. This force is known as ______________

Blood Pressure High blood pressure, or ___________, can place a strain

on the walls of the arteries and could cause that artery to __________ or __________

Arteries and Blood Pressure Blood Pressure is determined by measuring:

_________ pressure __________pressure

Systolic pressure, measured ______, is the pressure of the blood when the ventricles ___________

Diastolic pressure, measured _______ indicates the steady flow of blood through the _________

VeinsAfter cells interact with the

blood, the blood goes back to the ________

Veins: blood vessels that carry blood ______ the heart.

Arteries Arteries and veins are both made up of _________ layer Yet, they have different appearances for their differing

functions

CapillariesCapillaries: the __________ of the all the blood

vessels, only _______ cell thick, carries blood:Connecting the ___________ and __________

The capillaries are a vast network of tiny vessels that allow an exchange between the _________ and the _______ to occur.

The capillaries allow for the exchange of __________ and __________

Blood Vessels Pictures

Cardiovascular System and its Two SubsystemsThe heart and blood vessels

work together to form a continuous, ________ system of circulation.

This system contains two subsystems: ___________circulation ____________circulation.

Pulmonary CirculationPulmonary circulation is the circulation of the blood as it

travels between the _______ and _________Pulmonary circulation brings the _____________blood that

comes into the heart to the ________, and returns __________ blood back to the heart for distribution to the _________

Flow of blood: __________ →______________→____________

Systemic Circulation Systemic circulation is the

circulation of the blood between the heart and all other ________ tissues.

Systemic circulation has several subsystems:__________ circulation (related to

the heart) __________circulation (related to

the liver)___________ circulation (related to

kidneys)

Circulatory Path: A Review

Circulatory Path: A Review

Blood: ObjectivesList the _________ of blood.

Distinguish between ____ blood cells, ______ blood cells, and __________ in terms of their structure and function.

Summarize the process of blood ________

Explain what determines the compatibility of blood _______ for transfusion.

Composition of BloodBlood is composed of:

Liquid (____%): _______Blood solids (___%):

_______ blood cells_______blood cells________________

Composition of Blood: PlasmaPlasma: is

_____________-colored fluid ____ percent water Also includes:

_______________, waste, salts and proteinsPlasma provides cells with nourishment and

carries various __________

Red Blood CellsA red blood cell is:

A _______-shaped cellhas no _________ Transports __________ to cells in all parts of the body.

Immature red blood cells make large amounts of an iron-containing protein called ____________. Hemoglobin: the molecule that transports __________

White Blood CellsWhite blood cells are cells in the blood that

destroy __________, ________, and _________ proteins and helps the body develop _______________.

White Blood CellsTypes of white blood cells:

________________________________

Phagocytes: cells that _________ and _________ foreign matter or microorganisms.

Antibodies: are _________ that react to a specific type of _____________ or destroy ______________

Platelets Platelets: are essential to the

formation of a _________ _________

Blood Clots: are a mass of interwoven ______ and blood cells.

They are essential to ____________

Platelets: ________ a nucleus Not _______ cells ____________ at the damaged site

Blood Types______ blood cells are used to determine a

person’s blood type. The most important human blood types are:

___________

Blood Types: The A-B-O System If blood of a different type is introduced into

the body it will be treated as a foreign _________

A-B-O Blood Types