Use arrows to show the route and direction of blood flow in and out of the heart. List FOUR components of blood. Discuss any TWO transport functions of blood. – NABTEB QUESTION

Answer

Superior and inferior vane cavae → right auricle → right ventricle → pulmonary → artery out to lungs. → in by pulmonary veins → left auricle → left ventricle → aorta out to all parts of the body.

Four components of blood

1. Red blood
2. white blood cells
3. plasma
4. blood platelets

Discussion of transport functions of blood.

1. Distribution of oxygen: Red blood cells pick oxygen in the areola of the lungs. Enters the heart and leaves by way of the aorta to all parts of the body.

2. Removal of carbon (IV) oxide: The blood pick carbon (IV) oxide from all living cells and carry it into the right auricle of the heat. The carbon (IV)
oxide is taken to the lungs through the pulmonary vein for exhalation.

• Distribution of heat
• Transport of digested food
• Transport of hormones.