HS Health Test 1
stomach
While in the _______________, food is broken down by powerful acids and turned into chyme.
secondary
___ sex characteristics cause girls to look like women and boys to look like men.
nucleus
acts as the "brain" of a cell
embyro
after the zygote divides it is called an ____
systemic
circulation disperses oxygen rich blood throughout the body.
pulmonary
circulation of the circulatory system brings carbon dioxide-filled blood to the lungs.
immune system
defends your body from any organisms that threaten the destruction of cells
epithelial tissues
designed to regulate temperature, secrete lubricants, and protect the body from harmful substances
cytoplasm
fluid-like substance inside a cell
DNA
genetic blueprint for all cells
pituitary
gland controls and regulates all other glands and secretes growth hormones.
dermis
inner layer of skin which contains blood vessels, sweat glands, hair follicles, and nerve cells
autonomic nervous system
involved with involuntary muscles
somatic nervous system
involved with voluntary muscles
involutary
muscles move without conscious control
system
organs working together to perform a specific bodily function
epidermis
outer layer of the skin which, along with other functions, makes the body waterproof
Muscular tissue
provides movement as a result of messages from the brain to the rest of the body; work together to form muscles
kidneys
remove excess water, salts, uric acids, and chemicals from the blood.
axial
skeleton protects the body's vital organs; consists of the skull, spine, ribs, and sternum.
urinary bladder
stores the waste until it is ready to be expelled from the body.
organelles
structures that perform special functions within a cell
lymphatic system
system of vessels that are responsible for the removal of bacteria from the bloodstream
endocrine
system regulates the body's metabolism, growth, and functions of the sexual organs.
connective cells
tendons, blood, and fat are examples of these
pulmonary circulation
the part of the circulatory system that brings carbon-dioxide filled blood to the lungs
epithelial cells
they group together to form tissues that cover and protect the body inside and out
organs
tissues that work together to perform a specific bodily function
lymphocytes
white blood cells that produce antibodies
central nervous system
Skeletal and smooth muscles move when nerve impulses, sent from the __ ___ __ stimulate the muscle fibers, telling them to either contract or relax.
bronchi
Air passes from the trachea into the lungs through two large tubes called___________.
four
Human heart is divided into __ chambers
12
Most children can understand abstract symbols and solve complex problems by the time they are
18 months
Most infants are able to crawl and speak a few words by the time they are
muscular
Movement occurs when the skeletal system works with the _____ system
intestines
Nutrients are absorbed into the bloodstream through small finger-like nodules on the wall of the _____________ called villi.
digestive
The _______________ system prepares food for absorption into the bloodstream.
integumentary
The _________________ system protects the internal organs from harmful bacteria, sunlight, and injury.
skeletal
The muscular system is composed of approximately 600 ___________ muscles.
adolescence
The period of transition between childhood and adulthood is known as
esophagus
The pharynx forms the food substance into balls and then pushes it/them into the___________.
circulatory
The respiratory system works with the ______________ system to add oxygen to the blood and remove carbon dioxide from the body.
puberty
The stage of physical development during adolescence is called
