Circulatory & Respiratory
The left lung is composed of ____ lobes.
Two
Which organ produces bile?
The liver
Hair grows from the _____.
Dermis
The brain is directly protected by the _____.
Skull
Muscle contraction results in muscle fiber becoming _____.
Shorter
_____ is the waste gas removed from the blood during expiration.
Carbon dioxide
Bile is stored and concentrated in the _____.
Gall bladder
True or False: The skin is the lightest and largest organ of the body.
False
Humans are considered ____.
Bipeds
Tendons attach _____ to _____.
Muscle/bone
True or False: The SA node is located in the right atrium.
True
Which ruminant stomach compartment is considered the "true stomach?"
Abomasum
Give three examples of accessory structures of the skin.
Sweat glands, scales, and feathers
Shoulder and hip joints are _____ joints.
Ball and socket
Which animals have a higher percentage of slow-twitch muscle fibers?
Working draft horses
The trachea divides into two branches called the _____.
Bronchi
Before traveling to the rest of the body, all absorbed nutrients or toxins must pass through the _____.
Liver
The sun helps the body create _____.
Vitamin D
Which bone is present in humans, but absent in four- legged animals?
Clavicle
A skeletal muscle is termed as _____.
Voluntary
The cartilaginous rings which make up the trachea are _____ shaped.
C
The functions of mechanical processing, digestion, and secretion are all performed by the _____.
Stomach
What is produced by the skin for protection against harmful ultraviolet light?
Melanin
In humans, which part of the brain contains 80% of its weight?
Cerebrum
Name three types of muscle tissue.
Skeletal, cardiac, and smooth