IGCSE 0654 B7.2 Transport in mammals

what is the purpose of circulation

• supply O2 and nutrients and remove waste

• break down the food

• get oxygen into the lungs

• remove solid waste

Tags

NGSS.HS-LS1-3

NGSS.HS-LS2-4

what does an atrium do

• let blood in

• let blood out

• exchange gases

• remove waste

what does a ventricle do

• force blood out

• let blood in

• exchange gases

• remove waste

left side of the heart is high in

• O₂

• CO₂

• N

• H

right side of the heart is high in

• O₂

• H

• C

• CO₂

what is the function of arteries

• take blood to heart

• take blood away from heart

• take blood to colon

• take blood to brain

what is the function of the veins

• take blood toward heart

• take blood away from heart

• remove waste

• take blood to stomach

Which one shows the direction that blood flows towards, through and from the heart?

• vena cava > ventricle > atrium > pulmonary vein

• pulmonary artery > atrium > ventricle > aorta

• aorta > ventricle > atrium > pulmonary vein

• pulmonary vein > atrium > ventricle > aorta

Which type of blood vessel has a 'pulse'?

• Artery

• Capillary

• Vein

• Caliber

In coronary heart disease, what are the fatty deposits on the walls of the arteries called?

• Plaques

• Platelets

• Plasma

• Plateau