Unit 2 Test Review

Match each biological term with its correct description.

• A group of similar cells working together to perform a specific function

• Organ

• A structure composed of two or more tissue types that performs a specific function

• Tissue

• The network of non-living material that supports cells within tissues

• Organ system

• A group of organs that work together to perform a major function

• Extracellular matrix

Tags

NGSS.MS-LS1-3

Match the following types of epithelial tissues with the locations in the body where they are typically found.

• Lines the urinary bladder, allowing expansion

• Transitional

• Lines the respiratory tract (trachea)

• Cuboidal

• Lines most of the digestive tract

• Squamous

• Forms the lining of blood vessels and alveoli

• Pseudostratified

• Found in kidney tubules and glands

• Columnar

Match the following tissues with their primary locations or functions in the body.

• Responsible for movement in the body

• Epithelial tissue

• Found in the brain and spinal cord; responsible for communication in the body

• Nervous tissue

• Supports, binds, or connects other tissues and organs

• Connective tissue

• Forms the covering or lining of internal and external body surfaces

• Muscle tissue

Tags

NGSS.MS-LS1-3

Match each type of membrane with its correct description.

• This membrane forms the outer covering of the body (skin).

• Cutaneous

• This membrane lines the cavities of freely movable joints.

• Synovial

• This membrane lines cavities and covers organs.

• Serous

Match the following types of cartilage with their typical locations in the body.

• Intervertebral discs

• Fibrocartilage

• External ear

• Hyaline cartilage

• Articular surfaces of long bones

• Elastic cartilage

Match the following cell junctions with their correct descriptions.

• A cell junction that provides strong adhesion between adjacent cells.

• Desmosomes

• A cell junction that forms a seal to prevent the passage of materials between cells.

• Hemidesmosomes

• A cell junction that anchors epithelial cells to the basement membrane.

• Tight junction

• A small protein channel that allows the passage of ions and small molecules between cells.

• Gap junction

Match the following types of glands with their correct characteristics.

• Produces perspiration and releases it through ducts

• Endocrine

• Secretes substances through ducts to an epithelial surface

• Exocrine

• Secretes hormones directly into the bloodstream without ducts

• Sweat

Match the following skin-related substances with their correct functions.

• Pigment that gives skin color and protects from UV light

• Sebum

• Oily substance that lubricates and waterproofs the skin

• Sweat

• Liquid that helps regulate body temperature through evaporation

• Melanin

• Cells that produce keratin and form the outer layer of the skin

• Keratinocytes

Match the following terms with their correct descriptions related to skin structure.

• Also known as the hypodermis

• Subcutaneous tissue

• Structures that produce perspiration

• Endocrine glands

• Glands that secrete hormones directly into the bloodstream

• Sweat glands

• Muscles responsible for causing hair to stand up

• Arrector pili

• Outermost layer of the skin

• Epidermis

Match each layer of the epidermis with its correct description or location.

• Deepest layer of the epidermis, responsible for cell division

• Stratum granulosum

• Layer with spiny-shaped cells providing strength and flexibility

• Stratum spinosum

• Found only in thick skin, such as the palms and soles

• Stratum lucidum

• Outermost layer, composed of dead, keratinized cells

• Stratum corneum

• Layer where keratinocytes begin to die and keratin production increases

• Stratum basale