Ib Sehs Tcardio

Name the blood component shown in the image

• White blood cells

• Red blood cells

• Platelets

• Plasma

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

When blood cells are removed from blood we get;

• Serum

• Plasma

• Deoxygenated blood

• Oxygenated blood

The main function of red blood cells is to carry oxygen while that of the white blood cell is to:

• Clot blood

• Transport Carbondioxide

• Transport heat

• Defend the body against parthogens

Blood leaves the heart to the lungs via;

• Pulmonary artery

• Pulmonary Vein

• Aorta

• Venacava

Which of the following blood vessels returns deoxygenated blood from body tissues to the heart?

• Pulmonary Artery

• Venacava

• Pulmonary vein

• Coronary vein

Although uthe heart muscles pump blood around the body, they also need supply of blood. Which of the following blood vessels supplies the heart?

• Aorta

• Umbilical artery

• Coronary Arteries

• Venacava

The back flow of blood from heart chamber 2 to 1 is prevented by:

• Bicuspid valve

• Tricupid Valve

• Semi-lunar valve

Which of the following statements is false?

• The left venrtricle has thicker walls than the right ventricle

• The right side of the heart carries oxygenated blood.

• Left side of the heart pumps blood to the lungs

• Bicuspid valve prevents back flow of blood from the left atrium to the right atrium.

The following are characteristics of heart muscle except;

• Smooth without striations

• Are myogenic

• Are branched

• They dont fatigue

Which of the following statements defines recovery heart rate?

• Heartbeats per minute at rest

• Heartbeats per minute at maximum intensity of physical exercise

• Heart rate 1 minutes after an exercise

• Difference between heart rate during intense physical exercise and heart rate 1 minute after.