click below
click below
Normal Size Small Size show me how
Alexandria Stanford
Week 14
| Question | Answer |
|---|---|
| What is hematopoiesis | The process of forming new blood cells, mainly in the red bone marrow |
| What do erythrocytes do | Carry oxygen using hemoglobin and help transport CO2 |
| What is the main function of platelets | Start the clotting process to prevent blood loss |
| What is the difference between pulmonary and systemic circuits | Pulmonary sends blood to the lungs for gas exchange. Systemic delivers oxygenated blood to the body. |
| What creates the heart's "lub dub" sounds | Closing of the AV valves (lub) and semilunar valves (dub) |
| What controls blood pressure short term | Baroreceptors and the autonomic nervous system adjusting vessel diameter |
| What is lymph's main job | Return excess fluid to the blood and help filter out pathogens |
| What is the role of the thymus | Helps T cells mature and become functional |
| What does the spleen do | Filters blood, removes old RBCs, and stores platelets |
| What is external respiration | Gas exchange between alveoli and blood in the lungs |
| What muscles help with inhalation | Diaphragm and external intercostals |
| What is peristalsis | Wave like muscle contractions that move food through the GI tract |
| What is the main function of the small intestine | Most nutrient absorption and chemical digestion |
| What hormone does the pancreas release to lower blood glucose | Insulin |
| What is the glomerulus | A capillary network in the nephron that filters blood |
| What does ADH do | Helps the kidneys reabsorb water to maintain fluid balance |
| What is the function of the reproductive system | Produce gamete and support fertilization and fetal development |
| What is a neurons main function | Transmit electrical and chemical signals throughout the body |
| What is synapse | The junction where a neuron communicates with another cell |
| What are stretch receptors in digestion responsible for | Detect stomach expansion and send fullness signals through the vagus nerve |