The Circulatory System

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Number of chambers in your heart

4

One drop of blood

About 5,000,000 Red Blood Cells

Mouth and nose

Air is inhaled

Hormones

Also carries substances, which control body processes, and antibodies to fight invading germs.

Three Kinds of Blood Vessels

Arteries Veins Capillaries

Full of oxygen

Blood from the left side pump is bright red

oxygen poor

Blood from the right side pump is dark red

lungs

Blood from through pulmonary veins back to the heart's left side pump and pumped out into the body.

Ventricles

Bottom two chambers

Artery

Carriers blood away from heart

Vein

Carries blood to heart

Arteries

Carry blood AWAY from the heart

Transportation system

Circulatory System nickname

Diaphragm controls breathing

Contracts to pull in air an relaxes to push out air

3 layers of skin

Epidermis dermis subcutaneous layer

Capillary

Gas exchange takes place

CO2

Gas exhaled

O2 enters blood and CO3 leaves the body

Gases exchanged

3 parts of circulatory system

Heart Blood Blood vessels

Circulation

Heart acts as double pump called?

Lung give it oxygen

Heart sends blood to lung before the rest of body

Death

Heart stops beating

Blood Vessels

Hollow tubes that circulate your blood

Diaphragm

Large muscle underneath your rib cage that controls breathing

Air travel way

Mouth pharynx trachea bronchi bronchioles alveoli blood stream

4

Number of chambers

Why hearts pump

Oxygen can be pumped to the rest of the body

liver

Plasma is made in the what?

6 functions of integumentary

Protecting the underlying skin Regulating internal body tempture Collecting sensory info from environment Producing vitamins Retaining necessary fluids Eliminating some waste

Veins

Receive blood from the capillaries Carry blood to the heart Transport waste-rich/ oxygen-poor blood back to the lungs and heart

on the inside

Smooth in the heart

Parts of the Circulatory System

The Heart The Blood The Blood Vessels

circle part

The heart, the lungs, and the blood vessels work together to the ? circulatory system.

blood

The plasma carries the cells throughout the body

Atrium

Top two chamber

on the outside

Tough in the heart

miles

Travels through thousands of ?of blood vessels

pulmonary arteries

Travels through to the lungs where it gets fresh oxygen and becomes bright red.

Heart

Where blood comes from

oxygen-rich blood.

Your body has a system of arteries supplying it with fresh,

Main artery

aorta

Upper Chamber

atria (single=atrium) receives blood coming in from the veins

White blood cells

attack and destroy germs when they enter the body.

Platelets

blood cells that help stop bleeding

Blood Takes

carbon dioxide and transports it back to the lungs

Muscular walls

help the heart pump blood

Plasma

liquid part of the blood

Bloods made up of

liquids, solids and small amounts of oxygen and carbon dioxide.

Valves

located inside the veins and allow blood to move in one direction.

half of your blood

made of plasma

Blood carries

nutrients, water, oxygen and waste products

heart size

of your fist

Circulatory System

oxygen and nutrients reach the body's cells, and waste materials are carried away.

Red blood cells carry

oxygen from the lungs to all the cells of the body.

Lower chambers

ventricles squeeze blood out into the arteries


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