Chapter 25- Blood

Question 1

Blood

Answer 1

Plasma, red blood cells, white blood cells, platelets

Question 2

Plasma

Answer 2

Liquid part of blood (55%) made of 90% water, 7% proteins and 3% dissolved materials

Question 3

Serum

Answer 3

Plasma without clotting proteins

Question 4

Antibodies

Answer 4

Proteins found in plasma produced by lymphocytes to combine with and neutralise substances

Question 5

Clotting proteins

Answer 5

Proteins found in blood which help to form blood clots

Question 6

Erythrocytes

Answer 6

Red blood cells

Question 7

Red Blood Cells

Answer 7

Erythrocytes, carry oxygen as red oxyhaemoblogin, biconcave shape, made in bone marrow, broken down in liver to form bile

Question 8

Haemoglobin

Answer 8

Purple protein that turns to bright red oxyhemoglobin

Question 9

White Blood Cells

Answer 9

Leucocytes, fight infection, larger and fewer than RBCs,, 2 types: lymphocytes and phagocytes

Question 10

Leucocytes

Answer 10

White Blood Cells

Question 11

Platelets

Answer 11

Thrombocytes, formed from cell fragments in bone marrow, clot blood

Question 12

Thrombocytes

Answer 12

Platelets

Question 13

Phagocytosis

Answer 13

When a cell engulfs another and digests it

Question 14

Lymphocytes

Answer 14

25% of WBCs, made in bone marrow, found in lymphatic system, form antibodies

Question 15

Monocytes

Answer 15

5% of WBCs, made in bone marrow, engulf bacteria, kidney shaped nuclei, live for 6-9 days

Question 16

Macrophages

Answer 16

Large phagocytes