Which of these is not a body system?

• Respiratory system

• Circulatory system

• Digestive system

• Coordination system

[Select ALL the correct answers]

The circulatory system transports

• Oxygen

• Carbon dioxide

• Nutrients

• Hormones

The part of the body where there is transfer of gases (like oxygen and carbon dioxide) between the circulatory system and the respiratory system is the

• Trachea

• Bronchi

• Mouth

• Alveoli

In which digestive organ are nutrients from food transferred from the digestive system to the circulatory system

• Stomach

• Liver

• Small intestine

• Large intestine

Which one of the following is not an organ of the circulatory system?

• Arteries

• Veins

• Capillaries

• Heart

• Lungs

Which of the following has a correct pathway for the air that is breathed in (inhaled)

• mouth/nose → bronchi → alveoli

• mouth/nose → larynx → pharynx → lungs

• larynx → mouth/nose → lungs

• alveoli → bronchi → larynx → pharynx → mouth/nose

Which of the following is an organ of the gastrointestinal tract

• Lungs

• Heart

• Stomach

• Appendix

Which of these is an accessory organ in the digestive system

• Stomach

• Tongue

• Liver

• Small intestine

What kinds of digestion is found in the mouth?

• Both mechanical and chemical digestion.

• Only mechanical digestion.

• Only chemical digestion.

Which of the following things is the central component in chemical digestion?

• Enzymes

• Teeth

• Muscles

• Acid