Intro A&P
What is your body's sense of maintaining balance called?
Homeostasis
___ substances can easily cross cell membranes
hydrophobic
What term means "programmed cell death"?
apoptosis
In what structures can you find simple squamous epithelium?
lungs, heart covering, blood vessels
What is the smallest unit of an element?
atom
Which quadrant contains the stomach?
left upper quadrant
___ substances dissolve in water
hydrophilic
Where are ribosomes located?
In the cytosol or on the Rough ER
Name the three types of muscle tissue
skeletal, cardiac, smooth
in sperm
Which abdominopelvic cavity region contains the descending colon?
left lumbar region
What term refers to the the amount of hydrogen ions in a solution?
pH
What is the difference between cytosol and cytoplasm?
Cytosol is the jelly-like substance within the plasma membrane. Cytoplasm is cytosol + all organelles within the plasma membrane.
Which membranes line passageways that open to the exterior of the body?
mucous membranes
Which structure is both an endocrine and exocrine gland?
the pancreas
Which organ system has the following functions:
Water balance, ion regulation, acid-base regulation, hormone production
urinary system
___s lower activation energy and make reactions go fast
enzymes
A cell that is in a ___ solution becomes bloated and later ruptures or bursts.
hypotonic
Which type of connective tissue proper cell is part of your immune system and engages in phagocytosis?
macrophages or microphages
What type of feedback loop increases a response until the event occurs?
Positive feedback loop
Name the five basic needs essential for human life
food, water, oxygen, body temperature, atmospheric pressure
What cellular structure does aerobic respiration occur in?
mitochondria
Through facilitated diffusion, materials pass through a ___ ___ to enter or exit the cell.
transmembrane protein
What is the name of the non-cellular, gelatinous, material that fills the spaces between fibers and cells.
(hint: it is composed of interstitial fluid, proteoglycans, proteins)
ground substance
What organ has a high number of peroxisomes?
Liver (to detoxify)