Cells
What part of the cell’s subunit is responsible for disposal of waste, maintaining its shape/integrity, and replicating itself?
What are Organelles?
What is the smallest units of all living things?
What is a cell ?
toward the head end or upper part of a structure or the body; above
What is superior?
96% of the body's weight is made up of what 4 elements?
What is Oxygen, carbon, hydrogen and nitrogen?
Shapes of Epithelial Tissues
Squamous, Cuboidal, Columnar, Transitional
The outer boundary of the cell which makes up the three main parts of the human cell is the?
What is a Plasma membrane?
This fast-acting control system of the body; responds to internal and external changes by activating appropriate muscles and glands.
What is the nervous system?
toward or at the front of the body;in front of
What is ventral (anterior)?
A homogenous mixture of gases, liquids, or solids is referred to as a __________.
What is a solution?
solution - A solution is a homogenous mixture of gases, liquids, or solids.
Cubelike Epithelial Tissues
What is Cuboidal?
What structure is responsible for storing glycogen for the cell’s main energy source?
Glycosomes
picks up fluid leaked from blood vessels and returns it to blood; disposes of debris in the lymphatic stream; houses white blood cells involved in immunity
What is the lymphatic system?
toward or at the midline of the body; on the inner side of
What is medial?
What are are energy relationships between the electrons of the reacting atoms?
What are chemical bonds?
composed of cells that are specialized to produce and secrete substances into ducts or into body fluids
What is glandular epithelium?
What structure of the cell is responsible for packaging DNA, reinforcing mitosis, preventing DNA damage, and controlling DNA replication?
What is Chromatin?
body's ability to maintain relatively stable internal conditions even though the outside world is continuously changing
What is homeostasis?
close the origin of the body part or the point of attachment of a limb to the body trunk
What is proximal?
a chemical bond formed by the transfer of one or more electrons from the valence shell of one atom to that of the other.
What is an ionic bond?
secrete hormones onto cell surfaces diffuses into blood and carried through body, ex. pituitary and thyroid
What are endocrine glands?
This structure is called the power-house of the cell because it generates the cell’s energy?
What is the mitochondria?
net effect of the response to the stimulus is to shut off the original stimulus or reduce its intensity (most homeostatic control mechanisms are neg.)
What is negative feedback mechanism?
head
What is the process by which atoms or molecules combine to form larger, more complex molecules.
glands that secretes product by exocytosis or pinches off into vessicles, ex. mammary glands
What are apocrine glands?