Respiration and Circulation

Gas exchange takes place between the respiratory and the ________ systems.

• nervous

• muscular

• circulatory

Leads into the lungs and is held open by C-shaped rings.

• pharynx

• larynx

• trachea

• alveoli

This organ fills with air and expands when we breathe in.

• pharynx

• diaphragm

• lung

Which are blood vessels that move blood toward the heart?

• arteries

• capillaries

• veins

The SMALLEST blood vessels that allow for gas exchange are called?

• Bronchi

• Trachea

• Bronchioles

• Capillaries

Tags

NGSS.HS-LS2-5

exchange of gases

• bronchial tubes

• alveoli

• larynx

• pharynx

What is the function of the mitochondria in a cell?

• To store genetic information

• To produce energy through respiration

• To control cell activities

• To synthesise proteins

Tags

NGSS.MS-LS1-2

smaller branches in lungs

• pharynx

• epiglottis

• bronchioles

• alveoli

Which body system is shown here?

• circulatory system

• respiratory system

Which body system is shown here?

• Circulatory

• Respiratory

• Excretory

• Muscular