Chapter - 11 ; Transportation in Animals and Plants

The lower two sections of the heart are -

• Atria

• Ventricles

The heart relaxes while _______ the blood and contracts while _______ the blood __.

• receiving, pumping, in

• receiving, pumping, out

• pumping, receiving, in

• pumping, receiving, out

Aorta is the main _____ of our body.

Stethoscope helps the doctor to hear the sound of our ____________ clearly.

• heart pump

• heart

• heart beat

• speed of blood flowing

Pulse rate is the number of times the heart beats per ____.

• second

• minute

• hour

• day

WBC act as _________ of our body.

• chefs

• doctors

• soldiers

Clotting is possible due to the presence of _______ in blood.

• Plasma

• WBC

• RBC

• Platelets

Phloem transports _____ from the leaves to the other parts of the body.

• water

• food substances

Transpiration is not possible if ______ is not present.

• stomata

• chlorophyll

• Phloem

sweat _____________________.

• removes wastes from the body

• it cools the body

• it heats the body