Respiratory, Circulatory, Skeletal and Muscular Systems

The primary organs of the respiratory system are the

• lungs

• heart

• trachea

• Bronchioles

The respiratory system begins in the

• Diaphragm

• Lungs

• Nose and mouth

• Pharynx

The place in the lungs where the gases exchange is the ________.

• Alveoli

• Diaphragm

• Bronchus

• Nose and mouth

The small tree-like branches coming off the right and left bronchus are the ________.

• Trachea

• Branches

• Bronchioles

• Pharynx

The small flap of cartilage that closes when food passes is called the ________.

• Epiglottis

• Valve

• Trachea

• Bronchioles

The circulatory system works most closely with which other system?

• Respiratory

• Excretory

• Digestive

• Nervous

To pump and circulate blood is the work of which organ?

• lungs

• liver

• pancreas

• heart

Integumentary system includes:

(select all possible answers)

• skin

• nails

• muscles

• hair

• theet

This burn degree affects only de epidermis

• 1st

• 2nd

• 3rd

• 4th

What is the top layer of the skin called?

• Dermis
• Hypodermis
• Epidermis
• Subcutaneous