Bio 30 Flashcards
What does the sympathetic system control
Fight or flight processes
What does the parasympathetic system control
Rest and digest processes
Define Homologous chromosomes
A pair of chromosomes of matching length, shape and code
Define Autosomal (in chromosomes)
Autosomal chromosomes are any chromosome other than sex chromosomes ( X or Y)
What are cones?
Cones are photoreceptors located in the retina that detect colour
What are rods
Rods are photoreceptors located on the retina which detect light depth.
The autosomal system controls what?
The involuntary parasympathetic and sympathetic responses
The central nervous system consists of what?
The brain and spinal chord
What are the peripheral nervous system’s functions and structures
The PNS consists of nerves throughout the body which control both motor and sensory functions
Is the somatic system voluntary or involuntary?
Voluntary
Is the autosomal system involuntary or voluntary?
Involuntary (automatic)
Which six hormones does the anterior pituitary gland release?
Growth hormone (HGH), Prolactin, thyroid stimulating hormone (TSH),
Follicle stimulating hormone (FSH),leutinizing hormone (LH), and ACTH
What does HGH do?
Causes growth
What does prolactin do
Prolactin causes milk to be produced from mammary glands
What does TSH do?
Stimulates the thyroid (trophic)
What does LH do in women
Triggers ovulation and estrogen and progesterone secretion from the corpus Luteum
What does FSH do in women?
F- stimulates the follicle in ovaries to develop ova
What does ACTH do?
Stimulates the adrenal cortex to release hormones
What does the posterior pituitary release?
Oxytocin and Antiderietic (ADH)
What does ADH do?
Stimulate kidneys to absorb water
What does Oxytocin do?
Causes uterine contractions
Which hormones does the adrenal cortex secrete
glucocorticoids and mineral corticoids (cortisol and aldosterone)
Which hormones does the adrenal medulla produce
Epinephrine and norepinephrine
What hormones do the Male gonads produce
Testosterone and inhibin