BLOOD

Question 1

• a specialized connective tissue
• Plays an important role in maintaining homeostasis in a living organism
• Red color of arterial blood is due to oxygenated hemoglobin (Hgb)

Answer 1

BLOOD (MYELOID)

Question 2

Physical Properties:
* Average adult = _______of total body wt.
* Male = _______Liters
* Female = _______ liters

Answer 2

7-9 %
5 - 6
4 - 5

Question 3

Functions of Blood

Answer 3

• Transport
• Protection
• Regulation

Question 4

➢ Oxygen from lungs to body tissues

Answer 4

• Transport

Question 5

➢ can clot preventing excessive loss of blood

Answer 5

• Protection

Question 6

Composition of Plasma:

Answer 6

o Water
o Plasma Proteins:
o Serum:
o Plasma Electrolytes:
o Nutrients and Waste Products:
o Gases and Buffers:

Question 7

➢ platelets maintain homeostasis
➢ controls ph acid base balance
➢ albumin osmotic pressure helps retain water
➢ help dissipate heat to the environment

Answer 7

• Regulation

Question 7

(55% of blood composition)
➢ The liquid portion of blood, primarily responsible for transporting nutrients, hormones, and waste products.

Answer 7

• Plasma

Question 8

(90%): Acts as a solvent for dissolving and
transporting substances.

Answer 8

Water

Question 9

Plasma Proteins:

Answer 9

• Albumin
• Globulins
• Fibrinogen

Question 10

Helps retain water within blood vessels to
maintain blood volume and pressure, functioning like a “magnet” for water.

Answer 10

Albumin

Question 11

Serve as carrier molecules for lipid
transport and fat-soluble vitamins; also function as antibodies (immunoglobulins) for immune defense.

Answer 11

Globulins

Question 12

Essential for blood clotting.

Answer 12

Fibrinogen

Question 13

Plasma without fibrinogen and other clotting proteins.

Answer 13

Serum

Question 14

Plasma Electrolytes:

Answer 14

Cations
Anions

Question 15

Positively charged ions such as Na⁺
(sodium), K⁺ (potassium), Ca²⁺ (calcium), and Mg²⁺ (magnesium).

Answer 15

Cations

Question 16

Negatively charged ions, including chloride,
phosphate, and iodide.

Answer 16

Anions

Question 17

Nutrients and Waste Products:

Answer 17

Nutrients
Metabolic Wastes

Question 18

Glucose, amino acids, phospholipids,
triglycerides, free fatty acids, cholesterol.

Answer 18

Nutrients

Question 19

Lactic acid, nitrogenous wastes
(e.g., urea).

Answer 19

Metabolic Wastes

Question 20

Oxygen (O₂), nitrogen (N₂), and carbon dioxide (CO₂) are dissolved in plasma.

Answer 20

Gases and Buffers

Question 21

Erythrocytes: Primary function is to transport oxygen throughout the body.

Answer 21

Red Blood Cells (RBCs)

Question 22

Leukocytes: Play a crucial role in the immune system to defend against infections and foreign substances.

Answer 22

White Blood Cells (WBCs)

Question 23

Thrombocytes: Fragments of cells that help in
blood clotting and wound repair.

Answer 23

Platelets

Question 24

Blood Volume: Blood comprises about ____ of total body weight.

Answer 24

8%

Question 25

Plasma: _____ of blood volume, with 7% being proteins, 91% water, and 2% other solutes.

Answer 25

55%

Question 26

250,000–400,000 per µL

Answer 26

▪ Platelets

Question 27

5,000–9,000 per µL

Answer 27

White Blood Cells:

Question 28

NEVER BACK DOWN NEVER WHAT!!!!!!!!!!!!!!!!!!!????????????????

Answer 28

NEVER GIVE UP!!!!!!!!!!!!!!!!!!!!!!!!!!

Question 28

4.2–6.2 million per µL

Answer 28

Red Blood Cells: