Organization of the Body
What is one characteristic of life?
Responsiveness, conductivity, growth, respiration, digestion, absorption, secretion, excretion, circulation, and reproduction.
What is the definition of homeostasis?
Relative constancy of the normal body's internal environment.
What is an Isotope?
Elements that contain the same number of protons, but different number of neutrons.
What organelle is the powerhouse of the cell?
Mitochondria.
True or False? Tissues help maintain homeostasis.
True!
What are the primary functions of the nervous system?
Control, regulation, and coordination of other systems, sensations, and memories.
Homeostasis of body temperature means that it remains relatively constant at about how many degrees?
37 degrees Celsius/ 98.6 degrees Fahrenheit
What are the special properties of water?
Universal solvent, hydrogen bonds, constant temperature.
What is the function of immune cells?
To recognize and destroy cells such as cancer cells and invading bacteria.
What is the name of the tissue type that produces body movements?
Muscle Tissues
The Latin word "occipital" describes what area of the body?
What is the endocrine system
Regulates hormones by secreting signaling hormones that travel through the body to cells.
What is the difference between saturated and unsaturated fatty acids?
In saturated, all available hydrocarbon bonds are full. In unsaturated, they are not.
Name any two different types of transport and the difference between the two.
Active transport, simple diffusion, osmosis, facilitated diffusion.
Requires energy --> no energy
What is a stem cell?
A cell that is formed during embryonic development, and is also undifferentiated.
What is found in either pleural cavity?
The right or left lung.
What is the lymphatic system in charge of?
Maintains constant fluid pressure by draining excess fluid, cleaning it, and recycling it to the bloodstream.
Name 3 functional groups.
Hydroxyl, carbonyl, carboxyl, methyl, amino, sulfhydryl, phosphate, and acetyl.
Due to osmosis, what happens to red blood cells in a hypotonic solution.
They may swell or burst as there is an inward diffusion of water.
What body parts are categorized in the mesoderm?
Kidneys, muscles, bones.
What is the difference between gross anatomy and microscopic anatomy?
Gross anatomy studies body parts visible to the naked eye, while microscopic anatomy studies the the smaller aspects such as cytology and histology.
What are effectors?
Organs that directly influence controlled physiological variables.
What is negatively impacted when the body has diseases such as phenylketonuria?
What is the final product of the citric acid cycle?
Oxaloacetic acid.
What is the extracellular matrix (ECM)?
The fluid material between the cells