body systems Flashcards
what is homeostasis
to maintain a constant temperature throught the body
what is the difference between internal and external environment
internal: inside your body
external: outside your body
what are our five senses
sight, smell, taste, touch, sight, hear
what are 2 types of nuerons?
what is the fuction on each
Sensor and Motor
Sensor- takes off the the skin, the touch sends it to the centry nervous system
Motor- moves muscles
what is a reflex action? what neurons are used? explan in words
Reflex action:automatic reaction towards stimuli.
a sensory nureon is past directly to a motor nueron
why do we need a brain?
the brain is the control centre of your body. the controls everything in your body.
what is the endocrine
the system of glands that produce endrocrine secretions that help to control the bodily metabolic activity
how does the hypothalamus begin puberty
it controls the release of hormones
what is asexual reproduction
eproduction by which offspring arise from a
single parent
definition of uterus
muscular organ in which a fertilized egg becomes embedded
definition of ovary
a small sac that produces the eggs that travel into the uterus
definition of testicle
two oval organs that produce sperm
defintion of sperm duct
they transport sperm from the epididymis in anticipation of ejaculation.
defintion of Oviduct
the tube through which an ovum or egg passes from an ovary.
definition of Cervix
the narrow neck-like passage forming the lower end of the womb.
