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1. What are the structural and functional units of all living organisms, primarily
formed from elements like carbon, oxygen, hydrogen, nitrogen, and
phosphorus? - ANSWER Cells
2. What are the sex cells used to pass on genes from generation to
generation? - ANSWER Germ cells
3. What type of cells include epithelial cells, blood cells, osteoblasts,
fibroblasts, muscle cells, and nerve cells? - ANSWER Somatic cells
4. What is the most common type of blood cell that binds oxygen in the lungs
and carries it to tissues throughout the body? - ANSWER Red blood
cells (erythrocytes)
5. What type of white blood cells function by identifying, capturing, and
eliminating invading pathogens or foreign particles? - ANSWER
Leukocytes
6. What type of tissue forms large sheets of cells covering all body surfaces
exposed to the outside world and lining the outside of organs? - ANSWER
Epithelial tissue
,7. What is the specific type of epithelium that lines hollow organs and body
cavities not connected to the exterior of the body, including blood vessels
and serous membranes? - ANSWER Endothelium
8. What is the specialized intercellular connection between cell membranes in
epithelial tissue called? - ANSWER Cell junction
9. What is the mixture of glycoproteins and collagen that provides an
attachment site for epithelium, separating it from underlying connective
tissue? - ANSWER Basal lamina
10.What are the microscopic extensions of the apical cell membrane
supported by microtubules that beat in unison to move fluids and trapped
particles? - ANSWER Cilia
11.What type of cell junction separates cells into apical and basal
compartments, blocking the movement of substances through the
extracellular space between cells - ANSWER Tight junction
12.What type of cell junction helps stabilize epithelial tissues and includes
desmosomes, hemidesmosomes, and adherens? - ANSWER Anchoring
junction
13.What is the adhesion molecule embedded in desmosomes that links with
cadherin molecules of adjacent cells? - ANSWER Cadherin
,14.What type of anchoring junction links cells to the extracellular matrix and
includes the adhesion proteins called integrins? - ANSWER
Hemidesmosomes
15.What type of cell junction forms an intercellular passageway between
adjacent cells to facilitate the movement of small molecules and ions? -
ANSWER Gap junction
16.What are the three basic shapes of epithelial cells? - ANSWER
Squamous, cuboidal, columnar
17.What type of epithelium consists of a single layer of cells where every cell
rests on the basal lamina? - ANSWER Simple epithelium
18.What type of epithelium appears to have multiple layers due to irregularly
shaped cells but actually has a single layer? - ANSWER Pseudostratified
epithelium
19.What is the epithelial tissue that lines vessels of the lymphatic and
cardiovascular system, made up of a single layer of squamous cells? -
ANSWER Endothelium
20.What type of epithelial cells have a round nucleus located near the center
and are active in secretion and absorption? - ANSWER Simple cuboidal
epithelium
, 21.What type of epithelial cells have an elongated nucleus located in the basal
end and are found in the digestive system and female reproductive tract? -
ANSWER Simple columnar epithelium
22.What is a structure made up of one or more cells modified to synthesize
and secrete chemical substances? - ANSWER Gland
23.What type of gland releases secretions directly into surrounding tissues and
fluids without ducts? - ANSWER Endocrine gland
24.What are the secretions of endocrine glands called? - ANSWER
Hormones
25.What type of gland releases its contents through a duct that leads to the
epithelial surface? - ANSWER Exocrine gland
26.What is the most common type of exocrine secretion where secretions are
enclosed in vesicles and released by exocytosis? - ANSWER Merocrine
secretion
27.What type of secretion involves the rupture and destruction of the entire
gland cell? - ANSWER Holocrine secretion
28.What type of gland produces watery, blood-plasma-like secretions rich in
enzymes such as alpha amylase? - ANSWER Serous gland