What is an example of negative feedback?
Homeostasis
What is the primary function of blood?
pick & delivery, defense, regulation
What is blood pressure and what is the numerical normal blood pressure?
Blood pressure is the pressure of blood pushing against your arteries
120/80 mmHg
What are the primary organs of the lymph system?
Thymus gland, spleen, liver, tonsils
What are the two types of immunity?
Specific and Non-Specific
What is a goiter?
the enlargement of the thyroid gland -- iodine deficency
What is the Rh factor?
BONUS x2: How does Rh factor get passed down
A protein found on the surface of a RBC, signifies the +/- next to a blood type
Thru genes (pregnancy)
Does O2 rich blood go toward the heart or away from the heart in pulmonary circulation?
BONUS x2: what are the veins that complete that action?
Toward the heart
left pulmonary veins
What do prokaryotes do for the body?
Decompose dead cells, make vitamins, protect us against harmful organisms
What type of immunity do T cells belong to, and what do T cells do?
Specific (adaptive) immunity
They attacked diseased/cancer cells
What are the 2 main hormones of the pancreas?
BONUS x2: explain what they both do
Glucagon + insulin
glucagon: increases blood sugar levels ; released when blood sugar levels are low
insulin: lowers blood sugar levels ; released when blood sugar levels are high
What are the A/B/O blood groups based on?
The presence or absence of A & B antigens
DAILY DOUBLE
After blood passes through the tricuspid valve, where does it immediately go?
Right ventricle
Describe antibiotic resistance. Why is it “bad”?
Bacteria’s ability to resist the properties of antibodies. It’s bad because it makes infections harder to fight
What is an autoimmune disease?
BONUS x2: give an example
An abnormal immune response to a normal body part -- cells attack you
ex. alopecia, Addison disease, celiac, multiple sclerosis, Chron's, Lupus, Diabetes
DAILY DOUBLE
What does the thyroid gland do?
AND where is it located?
Produces T3/T4 and calcitonin
Located in neck, in front of windpipe
What is hemoglobin?
Iron that contains protein and carries oxygen
How do you get atherosclerosis?
Thickening of artery walls by LDL, results in restriction of blood flow
LDL - bad cholesterol
What are the properties of a virus, and how does it multiply?
It's not alive (acellular), lytic cycle + lysogenic cycle
What is passive immunity, and what is an example?
the short-term immunity which results from the introduction of antibodies from another person or animal
ex. breast milk
List ALL hormones of the anterior pituitary gland.
Hint: there are 6
FSH, LH, ACTH, TSH, PRL, GH
What is the name of this disease: a group of cancers that usually begin in the bone marrow
Leukemia
What is the interventricular septum and how does it affect the heart chambers?
It separates the left and right parts of the heart -- it makes the left atrium and ventricle smaller than the right
What does the spleen do in the lymphatic system?
Acts as a filter for old/damaged cells and controls the amount of blood circulating around the body
BONUS x2: Describe the steps (4 steps)
Second line of defense, caused by an irritant
Injury (infection/cut), Fluid leaks out (clotting begins), chemicals release and attract other cells, phagocytes consume pathogens + cell debris (pus and macrophages)