S4 Circulatory System

The function of the circulatory system in humans

• transport blood to all organs and tissues

• regulate oxygen concentration

• regulate CO2 concentration

• make the body move

Blood is a tissue

• true

• false

Which one is not a function of the blood?

• Produce hormones

• Distribute oxygen

• Remove wastes

• Control the water content in the body

The blood helps with thermoregulation of the body

• true

• false

• maybe

The blood cannot transport ....

• regulating molecules

• ions

• proteins

• nucleic acids

All mammals have a cardiovascular system with ...

• A heart and blood vessels

• A heart and lungs

• Blood vessels and lymph nodes

• Capillaries and a nerve net

The heart muscle is generally ...

• Strong

• Weak

• Depends on the person

• I don't know

The heart needs to create enough .... to get the blood flowing to through the body and come back

• pressure

• output

• pulse

• concentration

Which is not a type of blood vessel?

• vein

• capillary

• artery

• myocardium

Veins

• transport blood towards the heart

• transport blood away from the heart

• have a thick wall

• have high blood pressure