This type of homeostasis returns the body to a set point
What is negative feedback
100
What is the function of squamous epithelial cells in the lungs?
What is absorption
100
How many bones are in the body?
What is 208
100
What are the upper chambers of the heart called?
What is atria
100
What is the name of the artery that brings blood from the heart to the kidneys?
What is abdominal artery
200
This type of homeostasis is demonstrated by clotting blood or nursing mothers
What is positive feedback
200
What are the implications for the cilia in the throat of a smoker?
What is they will be absent due to burning away or chemical damage
200
What is the name of a muscle that is voluntary and striated?
What is skeletal muscle
200
What is the name of the circuit that takes blood to the lungs?
What is pulmonary circuit
200
What are the essential reproductive organss of the male?
What is testes
300
What is the name of the C7 vertebra?
What is vertebra prominens
300
What are teh implications for someone with more than 60% of their skin burned away, and why (3 reasons)?
What is death due to infection, water loss, and lack of homeostasis of temperature
300
What is the implication of a young girl who fell and broke her arm at the epiphysis, and why?
What is growth stoppage due to break at the epiphyseal plate?
300
What part of the neuron conducts the message to the cell body?
What is dendrite
300
What is the function of the lymph glands?
What is filter lymph
400
What is the name of the cells that build bone cells?
What is osteoblasts
400
As the epidermal cells are pushed toward the surface of the skin, they harden. What is this called?
What is keratinization
400
What is the theory of muscle contraction?
What is sliding filament theory
400
What part does calcium and sodium play in a nerve transmission?
What is Calcium flows in, sodium out to create a electrical charge
400
Where in hte kidneys is the waste filtered out of the blood?
What is glomeruli, bowman's capsule, glomerular capsule
500
What are the implications for the heart and the bones if there is not enough calcium in the blood, and why?
What is stoppage of the heart, osteoporosis due to no calcium for muscle contraction, osteoclasts taking calcium from the bones
500
Which layer of skin is known as the "living layer"?
What is dermis
500
Explain the steps of muscle contraction starting with the neurotransmitter and ending with muscle relaxation
What is neurotransmitter/motor end plate/calcium flows in/troponin, tropomyosin stop blocking contraction/actin, myosin form cross-bridges/acetylcholinesterase dissolves acetylcholine/ muscle relaxes
500
What two types of muscles are involuntary, and where are they found?
What is cardiac, smooth; heart, major organs and blood vessels
500
What is the female body's response to an unfertilized egg in the uterus?