Fill in the blank (smallest to largest)
atom-->molecule--> organelles--> cells-->__________--> organs
tissues
Describe the tissue type of stratified squamous epithelium
multiple layers of flat cells
What are the two major types of body membranes?
Connective and epithelial
What is the cell type that is responsible for basic bone breakdown?
osteoclast
What are the thick protein myofilaments in a myofibril called?
myosin
What type of feedback?
Glucose levels in the blood decrease below a set point. The pancreas releases glucagon. Liver breaks down glycogen an releases glucose in the blood.
Negative
Which type of tissue are highly specialized to contract or shorten to produce movement
muscle tissue
Type of epithelial membrane that occurs in pairs, lines closed body cavities
Serous
What attaches a muscle to a bone?
tendons
What chemical energy is needed for muscle contraction?
ATP
The buccal is ______ to the nasal
lateral
Which tissue protects, absorbs, filters, secretes
epithelial tissue
What is produced by sebaceous glands, keeps hair soft and pliable
sebum
What are special short bones that form within tendons like the patella called?
sesamoid
Fill in the blank for Organization of the Skeletal Muscle:
myofilaments --> myofibrils--> Muscle fibers -->____________--> muscle
muscle fascicles
The metacarpals are ________ from the axillary
distal
What is the function of the Golgi apparatus?
process and package proteins and lipid molecules
When body temperature rises, which glands become activated in the skin?
sudoriferous glands (apocrine and eccrine)
What are at the center of an osteon that contain blood vessels for bone nutrients?
Haversian Canals
Explain why a single nerve impulse results in only one muscle contraction. (two reasons)
1) acetylcholine defuses away from the receptors at the synaptic cleft.
2) acetylcholine is broken down by the enzyme acetylcholinesterase
Fill in the missing blank for tissue repair:
capillaries become permeable-->_________________--> regeneration of surface epithelium
formation of granulation tissue
What is the functions of the Smooth Endoplasmic Reticulum(Smooth ER)?
synthesizes a high amount of lipids and carbohydrates. Stores calcium in muscle cells. Involved with detoxification.
What are the finger-like projections of the dermis into the epidermis called?
dermal papillae
What are the FIVE physiology functions of the skeletal system?
Support, Protection, Movement, Storage, and Hematopoiesis
When a muscle is not contracted, what is blocking the myosin binding sites on actin?
tropomyosin