iGCSE - Blood, platelets, adaptations of RBCs

Red blood cells are also known as?

• erythrocytes

• erythophosils

• lymphocytes

• eosinophils

Oxygen transport in humans involves the bonding of oxygen with

• white blood cells

• platelets

• hormones

• hemoglobin molecules

Which part of the blood is correctly paired with its primary function?

• red blood cells - fight infection

• plasma - transports RBCs, waste and hormones

• platelets - produce antibodies

• white blood cells - carry oxygen

Which statement correctly describes the activities of the components of human blood shown in the diagram?

• Both A and B function in immune responses, and C transports oxygen

• A, B, and C are able to synthesize hemoglobin

• Both B and C provide immunity, and A transports nutrients

• A transports oxygen, B starts clots, and C functions in immune response to fight infections

Bleeding from a small cut soon stops due to the release of enzymes from

• platelets

• activated antibodies

• hemoglobin

• white blood cells

A function of the white blood cells is to

• transport oxygen to body cells

• produce hormones that regulate cell communication

• carry glucose to body cells

• protect the body against pathogens

Which blood cells are most abundant in the body?

• erythrocytes
• platelets
• lymphocytes
• eosinophils

Irregularly shaped cell fragments that help clot blood

• Platelets

• Lymph

• Plasma

• White Blood Cells

Tags

NGSS.MS-LS1-3

The liquid part of blood made of mostly water; nutrients, minerals and oxygen are dissolved

• Marrow

• Plasma

• Proteins

• Urea

Name the proteins on the surface of red blood cells.

• Antibodies

• Antigens

• Plasma

• Collagen