Muscular System
What is at least one function of the muscular system?
Locomotion, generating heat, and support
What muscle powers the circulatory system?
The heart
What does it mean to 'respirate'?
To breathe
When a digestive system has more than one chamber for the stomach, it is a ________ system
Ruminant or polygastric
What livestock system is all of the meat we eat made out of?
Muscular system
What is the difference between voluntary and involuntary muscles?
Voluntary - Conscious decision must be made to move these
Involuntary - muscles perform their function without conscious input
What is the name of the fluid that carries materials throughout the circulatory system?
Blood
What are the two roles of the respiratory system?
Provides oxygen to the blood
Removes waste gases from the blood
Why can cattle and horses only eat grass and hay, but humans can't?
Humans lack the microbes present in cattle and horses that can break down fibrous foods
An animal raised for meat is referred to as a _______ animal
Market
What are smooth muscles used for?
Lining the walls of the digestive tract and circulatory system
What is the role of the capillaries?
Transfer oxygen, nutrients, and gas waste between blood and organs
What is the difference between the Larynx and Pharynx?
The pharynx directs air to lungs and food to stomach
The larynx is only for air
In poultry, what does the gizzard do?
Breaks swallowed food down, as chickens do not have teeth
What determines the tenderness of a cut of meat?
How active that muscle is in the animal's body
What are the three types of muscle tissue?
Skeletal, Cardiac, Smooth
What is the difference between veins and arteries?
Arteries: Carry oxygenated blood AWAY from the heart
Veins: Carry deoxygenated blood TO the heart
As dust builds up in the Trachea, how does the body get it out?
Coats it in mucus to be coughed or spit out
What three roles must every digestive system do?
Temporarily store food
Prepares food for use
Remove waste products
What are the four main muscle groups in livestock?
Abdominal
Forequarter
Hindquarter
Back/Loin
What are the three roles of the circulatory system?
Transports nutrients and oxygen to the cells of the body
Filters waste away from the body
Release disease-fighting materials into the body
What do alveoli do for the lungs?
Vastly increase the surface area, and facilitates transfer of oxygen to blood
What are the four chambers of the ruminant stomach?
Rumen
Reticulum
Omasum
Abomasum