Body Systems Revision

Which option that best describes the pathway of food through the body?

• mouth, oesophagus, bloodstream, stomach

• mouth, oesophagus, stomach, intestines

• mouth, trachea, stomach, intestines

• mouth, oesophagus, liver, intestines

The chamber of the heart with the thickest walls is:

• left atrium

• left ventricle

• right atrium

• right ventricle

The chamber of the heart that receives blood from the lungs is:

• left atrium

• left ventricle

• right atrium

• right ventricle

At which point in the lungs does gaseous exchange occur?

• Alveoli to capillaries

• Bronchioles to alveoli

• Capillaries to arteries

• Bronchioles to capillaries

Select the structure that arrow 1 is pointing to:

• oesophagus

• stomach

• small intestines

• large intestine

• liver

Select the structure that arrow 3 is pointing to:

• oesophagus

• stomach

• small intestines

• large intestine

• liver

Select the structure that arrow 6 is pointing to:

• oesophagus

• stomach

• small intestines

• large intestine

• liver

Which of the following is the correct order for carbon dioxide passing out of the lungs?

• Trachea, bronchus, bronchiole, alveoli

• Alveoli, bronchiole, bronchus, trachea

• Alveoli, bronchus, bronchiole, trachea

• Trachea, bronchiole, bronchus, alveoli

The function of the synapse is:

• To pass messages from one neuron to the next

• To pass a chemical signal from dendrite to axon terminal

• To determine which signals to transmit to other neurons

• To absorb electrical impulses from the nerve

The part of the neuron labelled A is:

• axon

• axon terminals

• schwann cells

• soma

• dendrites