Download Pig Dissection | BIOL - Biology 2 - Intermediate and more Quizzes Biology in PDF only on Docsity!
Common stages in embryo development
notochord....dorsal hollow nerve chord, pharynegal nerve slit...postanal tail TERM 2
What does the skeletal support system have?
DEFINITION 2 It has the axial component, vertebrate, cranium, sternum,appendicular movement TERM 3
What does the central nervous contain?
DEFINITION 3 The brain and spinal column TERM 4
What sub group do pigs belong to?
DEFINITION 4 Artiodycta TERM 5
What do all mammals share in terms of
characteristics?
DEFINITION 5
- Endothermal regulation, keeping a certain internal body temperature 2. A body covered with skin 3. Having sweat glands, or excretion of the glands by fats or oil 4. Movable eyelids and external ears 5. An efficient respitory system with a 4 chambered heart. 6.A muscular diaphram( known as the diaphram) which divides the thoracic and abdominal cavities. 7. Embryonic development where eggs are developed in the ovaries and placed and nourished in the placental membranes.
Externally mammals are divided into 3
regions what are they?
The head, the trunk, and the tail TERM 7
Describe the oral part of the pig?
DEFINITION 7 Well the pigs have nares, and underneath that is the mouth with fleshy lips, now there are these small like bump projections around the mouth known as the papillae, which are not just for tast buds but aids in food in drawing into the mouth. Arbitrarily they are taking in food. TERM 8
What is the nicitating membrane?
DEFINITION 8 Translucent covering the eye, that sweeps across to keep the dust away and the eye moist. TERM 9
How do pigs hear?
DEFINITION 9 Due to the auricle which is a cartilaginous structure that collects sound waves into the external auditory canal TERM 10
What is the trunk of the pig?
DEFINITION 10 The 2 forelimbs and the 2 back hind limbs
What is the correlation of epitlial tissue and
heart?
The epitlieal tissue encases the heart known as the pericardial sac. TERM 17
What is the thymus gland and what is its
purpose?
DEFINITION 17 Endocrine gland that is active in immune system in mammals. TERM 18
What is the larynx?
DEFINITION 18 It is what is known as the voice box, the larget opening in the respitory system TERM 19
What is the pharynx?
DEFINITION 19 Division betwen the respitory and the digetion. The epiglottis which is a flap covering the layrnx which keeps the food from entering the respitory TERM 20
What is the thyroid gland?
DEFINITION 20 It is small brown structure that is located ventrally to the trachea, it is a large bulbous structure that is a endocrine gland that secretes iodine to aid in metabolism and maturation
What is liver and the function of it?
The largest internal organ in the body...It aids in the synthesis of carbohydrates, lipids and proteins. Produces a emulisfying egents that aid in exretion and absoprtion of fat. 2! Detoxifies poisionous substances. TERM 22
What is the gall bladder?
DEFINITION 22 A storage organ for bile. Bile is produced in the liver and is used when needed for digestion TERM 23
What is the first segment called in the small
intestine?
DEFINITION 23 The Dudonem and it is pancreas which is essential in the digestive and endocrine system. TERM 24
What is the first segment in the large
intestine?
DEFINITION 24 It is called the caecum which is known as the blind sac, it is a fermentation reservoir where cellulose is digested
