Anatomical terms
imaginary line dividing the body vertically down the middle
Midline
Organ that pumps blood or hemolymph through an animal
the heart
Number of legs that insects typically have
6 (3 pairs)
series of tubes and channels that control how echinoderms move by moving water inside their bodies
water vascular system
name of thin structures that help fishes and sharks with mobility and steering
fins
Terms describing body parts that are closer or farther to the midline.
medial and lateral
enzyme that turns Pepcin into Pepcinogen in the stomach
HCL (hydrochloric acid)
3 body parts of an insect
Head, Thorax, and Abdomen.
name of phylum that includes sponges
porifera
Type of scale that gives shark bodies their streamline shape
placoid scales
anatomical term describing the position of the rib cage compared to the position of the skin
superficial
4 layers of the small intestine
peritoneum, smooth muscle layer, sub-mucosa, mucosa.
insect order containing praying mantis species
Mantodea
english meaning of latin "echinoderm"
spiny skin
pouch that shark offspring hatch out of
mermaid's purse
divides the body horizontally down the middle, separating the top half from the bottom half
inferior brain region that controls heartbeat, breathing, and blood pressure
Medulla Oblongata
function of spiracles
exchange oxygen and carbon dioxide
substance that makes up the shell and pearls (oysters) in mollusks
nacre
sensory pores that can detect bioelectric fields and aid in electroreception
Ampullae of Lorenzini
Principle that structure and function of body parts reflect each other
Complementarity of structure and function
valve that controls blood flow from left atrium into left ventricle
left avioventricular valve
term describing localization of sensory organs in the anterior end of the body.
Cephalization
name of the opening of a snail's shell
aperture
2 words that describe the relationship between the body heat and environment heat of fish
poikilothermic ectotherm