physiology is the study of the
functions of living things
which example illustrates the organ level of organization in the body
a. DNA
b. epithelial tissue
c. the digestive system
d. a cell in the lining of the stomach
e. the stomach
the stomach
nervous tissue can be found in the____
spinal cord
what is an example of an exocrine gland?
a sweat gland
which organ system contains the joints?
skeletal
what term refers to the fluid portion of the blood?
plasma
when a cell becomes too cold how is their functioning affected
cell function slows down
the urinary system removes excess
water
what is an example of positive feedback systems
child birth
when temp monitoring nerve cells in the body detects a decrease in body temperature below the desired level what behavior response most likely occurs to correct the situation
shivering
regulation of blood pressure depend on coordinated responses among the
circulatory, nervous, urinary, and endocrine systems
blood is a type of
connective tissue
the human bodys response to exercise involves
both short term and long term compensatory responses
which body system is not essential for homeostasis
reproductive
what is an example of a pathological stat
diabetes mellitus
the ___ is the smallest structural and functional unit capable of carrying out life processes
cell
the plasma membrane creates a barrier that separated extracellular fluid from ___
intracellular fluid
which type of ribonucleic acid (RNA) is responsible for delivery of appropriate amino acids within the cytoplasm to their designated site in the protein under construction
transfer RNA (tRNA)
the smooth endoplasmic reticulum (ER) in liver cells contains enzymes specialized for which function?
detoxification
newly synthesized proteins from the ER travel by vesicular transport to which organelle?
golgi complex
endocrine cells utilize which type of system to deliver their product
secretory vesicles
Flu viruses and HIV are able to gain entry into cells by exploiting which mechanism
receptor mediated endocytosis
cristae increase mitochondrial surface area for what purpose
housing important proteins
in order to obtain usable energy, cells break down ATP, yielding....
ADP
what is the correct order of the stages of cellular respiration
glycolysis, citric acid cycle, and oxidative phosphorylation
each "turn" of the citric acid cycle produces how many NADH molecules?
3
the availability of what element makes the cell able to convert energy more efficiently
oxygen (O2)
adult humans typically store enough fat to provide energy for how long?
2 months
one example of an inclusion in the cytosol is a
fat droplet
which type of human cells possess flagella?
sperm cells