Unit 3
The Olfactory receptors are located?
Roof of the nasal cavity
Effects of testosterone (masculinizing hormone)
Maturation of external genitals
Beard growth
Voice changes at puberty
Development of musculature and body contours typical of the male
Red blood cells also known as?
Erythrocytes
Hematopoiesis means?
•Formation of new blood cells
What is blood Plasma?
•Blood without its formed elements
The receptors for hearing and balance are located in?
the inner ear
Hormone released by Thymus in the body and what is its function?
Thymosin: Plays an important role in the development and function of the body’s immune system
Formed elements found in blood?
•Red blood cells (RBCs), or erythrocytes
•White blood cells (WBCs), or leukocytes
•Granular leukocytes: Neutrophils, eosinophils, and basophils
•Agranular leukocytes: Lymphocytes and Monocytes, Platelets, or thrombocytes
•RBC structure and function?
•Biconcave Disk-shaped, without nuclei, 4 months lifespan
•Transport oxygen and carbon dioxide
•Universal donor and universal recipient blood?
•Type O Rh negative: Universal donor blood
•Type AB Rh positive: Universal recipient blood
Where is the blind spot in the eye?
The place where the optic nerve exits the eye.
Effects of estrogen (feminizing hormone)?
Develpoment and maturation of breasts
and external genitals
Development of adult female body contours
Initiation of menstrual cycle
•What is Anemia?
Inability of blood to carry adequate oxygen to tissues
Causes of Anemia?
•Hemorrhage
•Inadequate RBC numbers (Aplastic Anemia)destruction of blood forming cells due exposure to Toxic chemicals, radiation exposure, drugs , chemotherapy.
•Deficiency of hemoglobin
•Pernicious anemia: Deficiency of vitaminB12
• Iron deficiency anemia
•Sickle cell anemia (genetic abnormality) common in African American.
What is another name of WBCs?
What is the function of WBCs?
leukocytes
Defense
Changing the shape of the lens to focus light is called?
Accommodation
Hormones Produced by Placenta?
Chorionic gonadotropins (HCG)
Estrogen
Progesterone
•Two kinds of connective tissue make blood cells for the body?
•Myeloid tissue (red bone marrow)
•Lymphoid tissue (mature lymphocytes in lymphoid tissues e.g., thymus, spleen and lymph nodes)
What is Polycythemia?
Excessive RBCs
Rh negative vs Rh Positive blood types?
•Rh-positive blood: Rh factor antigen present in RBCs
•Rh-negative blood: No Rh factor present in RBCs; no anti-Rh antibodies present naturally in plasma. Anti-Rh antibodies develops in the plasma of Rh-negative persons if exposed to Rh-positive RBCs.
Receptor that responds to change in temperature.
Thermoreceptors
The autonomic nervous system and Endocrine system works closely together to maintain body's function.
True/false
What are antigens and antibodies in immune system?
•Antigen: Substance that can activate immune system
•Antibody: Substance made by body in response to stimulation by an antigen
Difference between type A and type B blood types?
•Type A self-antigens in RBCs; anti-B type antibodies in plasma
Type B self-antigens in RBCs; anti-A type antibodies in plasma
Difference between Type AB and Type
O blood?
•Type A and type B self-antigens in RBCs; no anti-A or anti-B antibodies in plasma
•No type A or type B self-antigens in RBCs; both anti-A and anti-B antibodies in plasma