Body Systems

Recall how a neuron sends a message

• Hormonally

• Electrochemically

• Physically

• Chemically

What is the respiratory system used for?

• Transporting oxygen and nutrients throughout the body

• Acquiring nutrients from food

• Exchanging carbon dioxide and oxygen with the environment

• Exchanging carbon dioxide and oxygen with the environment

What is the cardiovascular system used for?

• Transporting oxygen and nutrients throughout the body

• Acquiring nutrients from food

• Exchanging carbon dioxide and oxygen with the environment

• Expelling waste products from the body

What is the coloured structure in the diagram?

• Abdomen

• Alveoli

• Larynx

• Diaphragm

What is the coloured structure in the diagram above?

• Pharynx

• Larynx

• Trachea

• Bronchi

In humans, gas exchange only occurs in the alveoli. The rest of the respiratory system just transports air in and out of the alveoli.

• True

• False

Does air have a higher concentration of oxygen before it is inhaled into the lungs, or after it is exhaled from the lungs?

• Before inhalation

• After exhalation

Recall the name of the heart chambers that receive blood from the veins.

• Atrium

• Ventricle

• Vena cava

• Aorta

Name the heart chamber that contracts to push blood into the arteries.

• Valve

• Vein

• Atrium

• Ventricle

Shaan has come across this labelled blood vessel in the diagram below. It is an artery that receives blood from the right ventricle, and leads towards the lungs.

• Lung artery

• Aorta

• Pulmonary artery

• Vena cava