chapter 19
what is the most distinguishing feature of the bird?
The feathers
What is human anatomy
the study of mans physical makeup and structure
Where does the growth plate remain
between the diaphysis and the two epiphyses
what is the average lung capacity
4.5L
what is the largest internal organ
liver
What is the difference between birds and other vertebrae's
a keel
what is human physiology mean
the study of human life's processes
what are cells called during ossification
osteoblasts
almost all oxygen in the blood is combined with what?
hemoglobins
digestive enzymes
how many air sacs do birds have
nine
Where are the sweat glands found
in the dermis
is all smooth muscle involuntary or voluntary
involuntary
What is the healthy amount of blood
5L
What helps break food down
What does the gizzard do
it helps grind the food up.
What are lymph nodes made of
groups of cells by connective tissue
what are in individual muscle fiber cells
multiple nuclei and large number of mitochondria
Do arteries carry blood away or towards the heart
away
how many kidneys are you usually born with
2
what does the crop do
stores up the food until it can be digested
what is cell-mediated immunity
uses mostly T cells to fight antigens that infect cells
what multiple of things form a muscle
fascicles
veins have flaps called " " that act like a double door
valves
Where does pee exit from
the urethra