ATI Science- Body Systems Flashcards
Part of nervous system that releases chemicals that regulate pituitary gland
hypothalamus
Shortening of a sacromere in skeletal Muscle is directly due to the interaction of
Myosin and actin
Mutations in this type of cell can be inherited by offspring
ovarian
Attaches skeletal muscle to bone
tendons
Substance excreted by sweat glands in response to the breakdown of protein and formation of ammonia
urea
Removal of metabolic waste from the body
excretion
Permanent damage to these types of tissues in spinal cord can cause paralysis
nervous tissue
A body system that develop from the same origin tissues as the lungs
Gastrointestinal
Process that causes most of the carbon dioxide from the blood to move into alveoli
Diffusion down a concentration gradient
pancreatic secretion that digests starch into disaccharides
amylase
what does the diaphragm do during inhalation
contracts and moves downward
Which of the following layers of kin contains glands and hair follicles?
Dermis
form new bones and add growth to existing bone tissue
osteoblasts
dissolve old, damaged bone tissue to be replace by new, healthier cells
osteoclasts
Osteoporosis results from which of the following
a decline in osteoblast activity while osteoclast activity continues at expected levels
Which of the following is a mass within the ovary that secretes hormones to maintain
the uterine lining during pregnancy?
corpus luteum
Which of the following physiological responses is caused by the release of anti-
diuretic hormones?
Increase in water reabsorption in the collecting duct
Which of the following glands synthesizes antidiuretic hormone?
hypothalamus
Which of the following is the process in which an ovarian follicle matures and
releases a reproductive egg?
ovulation
Which of the following is the structure through which blood exits the glomerulus?
Efferent arteriole
Which of the following indicates the function of sodium bicarbonate released by the
pancreas?
sodium bicarbonate neutralizes the acidity of chime
Testosterone categorized as what type of hormone?
Male androgen
Two major parts of nervous system
Peripheral nervous system and central nervous system
Which of the following substances protect the skin from UV radiation?
Melanin
Which of the following structures is a flap of cartilage that prevents the movement of
food into the trachea?
Epiglottis
During muscle contraction, myosin is directly responsible for which of the following?
Forming cross brifges with actin molecules
A vasectomy is a procedure in which the vas deferens are cut. Which of the following describes why a vasectomy leads to infertility
Vasectomy blocks the movement of sperm from the epididymis to the urethra
How many organ systems are in the human body?
11
