BIOS 1140 Lecture 1 Exam Key

dorsal

body cavity contains the brain and spinal cord

ventral

body cavity contains the thoracic cavity and abdominopelvic cavity

lungs, heart

pleural cavity contains ___, while pericardial cavity contains the ___

has extracellular matrix

primary characteristic shared by all connective tissue

protein

elasticity and strength of connective tissue fibers depends on the type of___

osteoblast

immature bone cell that secrets matrix

osteocyte

mature bone cell that forms bone

osteoclast

cell that breaks down bone

osteogenic cell

progenitor stem cell in the periosteum

osteoid

bone tissue matrix component

plasma

name of blood’s matrix

skeletal, smooth, cardiac

three types of muscle tissue

melanin, skin color

major function of melanocyte cells in the epidermis is to produce ___ pigment, which contributes to ___.

true

T/F: Merocrine sweat glands play a role in thermoregulation

directly to surface, sweat is clear and odorless

Eccrine sweat gland secretion

open into hair follicle, sweat is opaque and has odor

Apocrine sweat gland secretion

exocrine - have ducts to secrete

endocrine - ductless, secrete into bloodstream

major difference of exocrine and endocrine glands

hydroxyapatite, collagen

mineral substance that hardens bone is ___ and it is deposited between ___ fibers to calcify the tissue

sternocleidomastoid

muscle that inserts on both the clavicle and on the manubrium of the sternum

flexion

muscle that crosses the anterior aspect of a joint between two bones produces a ___ type of motion

flexion, extension and rotation of head

motion of splenius capitis

flexion, extension and rotation of head and neck

motion of erector spinae

omohyoid and mylohoid

two muscles that are inserted into hyoid bone