Unit 1 Flashcards
The study of the shape and structure of the body and body parts is called
anatomy
The most abundant element in our body is
oxygen
Which of the following statements about connective tissue is false?
- functions to connect tissues in the body
- does not have a blood supply: all connective tissue is avascular
- assists in protecting and supporting the body
- is the most abundant type of tissue in the body
does not have a blood supply: all connective tissues is avascular
The movement of fluid through the cell membrane from a high pressure area to a lower pressure area
filtration
What is the correct sequence, going from simplest to most complex, in the levels of structral organization of the human body?
chemical level, ceullar level, tissue level, organ level, organ system level, organismal level
Which of the following is NOT a necessary life function?
- metabolism
- movement
- nutrients
- maintaining boundaries
nutrients
The system that responds to internal and external stimuli
nervous system
T&F
Simple diffusion of molecules across the plasma membrane requires energy in the form of ATP
FALSE
T&F
The body’s ability to maintain stable internal conditions is referred to as homeostasis.
TRUE
T&F
At a pH level less than 7, the blood becomes basic and less oxygen can bind to hemoglobin
FALSE
less than pH7 is acidic and less oxygen can bind to hemoglobin
T&F
The polar heads of a cell’s plasma membrane are hydrophilic
TRUE
What is the cytoplasmic organelle function of peroxisomes
detoxify harmful substances, mitochondria
What is the cytoplasmic organelle function of mitochondria
energy
What is the function of rough endoplasmic reticulum
building material of cellular membrane
What is the function of ribosomes
protein synthesis
