The Blood Circulation

Which is not a function of blood?

• Temperature control

• Immunity

• Breakdown of food

• Defence

What is the best description of a red blood cell?

• Discs

• Cubes

• Spheres

• Circles

Where are most blood cells made?

• Bone marrow

• Liver

• Heart

• Spleen

What is the main function of white blood cells?

• Defence and immunity

• Protection and clotting

• Regulation of waste

• Regulation of hormones

What is plasma made of?

• Broken down acid

• A mix of alkaline solutions

• Mainly water and a mix of salts, amino acids, waste material, hormones

• Water and oils

What is the function of platelets?

• Breakdown of waste material

• Building resistance to infection

• Forming links wit capillaries

• Clotting

What is not associated with arteries?

• Thick, muscular walls

• Blood under high pressure

• Valves

• Oxygenated blood

What moves blood through veins?

• Muscle movement and breathing

• Contraction of the heart

• Pulse and blood pressure

• Arteries

Why do veins contain valves?

• To block the flow of blood

• To help the flow of blood

• To prevent backflow of blood

• To create passages for the blood to flow

What best describes a capillary?

• Large blood vessels

• Blood vessels only found in the skin

• Single celled, thin walled vessels

• Vessels that only flow one way

Tags

NGSS.MS-LS1-3