how and where is sperm created?
by spermatogenesis in the seminiferous tubules
what makes up the CNS?
the brain and spinal cord
what are the two openings in the cochlea?
the oval window and the round window
what is the largest leukocyte and what does it do?
monocytes- involved with long term infections
what are the 3 layers of the heart walls?
the visceral pericardium (or epicardium), the myocardium, and the endocardium
what hormones are produced by the ovaries?
estrogen and progesterone
what are the ridges on the surface of the cerebrum?
the gyrus/gyri
what are the common and scientific names of the ossicles?
malleus (hammer), incus (anvil), and stapes (stirrup)
what antigens and antibodies does type O blood have?
no antigens, both type A and B antibodies
where does the signal delay in the conduction system of the heart?
the AV node
how long does the dilation phase of birth usually last?
6-18 hours
what is the function of the medulla oblongata?
it regulates involuntary movement and reflexes
what is the functional organ of hearing that contains tiny hairs that vibrate to different frequencies? (inside the cochlea)
the organ of corti
which leukocyte fights infections with B and T cells?
lymphocytes
the SA node is also known as what?
the pacemaker of the heart
which of the accessory glands in the male reproductive system is a common source of cancer?
the prostate
where is the motor cortex located?
in the frontal lobe
what is the difference between a convex and a concave lens?
a convex lens is thicker and rounder and is used to correct hyperopia, while a concave lens is thinner and used to correct myopia
which WBCs are granulocytes?
neutrophils, eosinophils, and basophils
which blood vessels are considered to be high pressure?
arteries
what is the main difference in the result between oogenesis and spermatogenesis?
oogenesis produces 3 polar bodies that disintegrate and one ovum, while spermatogenesis produces 4 fully functional sperm
what is the function of the pineal gland?
involved in sleep/wakefulness cycles
what do ciliary glands produce?
an oily secretion to lubricate the eyes
which WBCs are Agranulocytes?
gas diffusion occurs in which type of blood vessel?
capillaries