Human Body Systems Functions Overview

What is the smallest unit of life that makes up the human body?

• systems

• tissues

• organs

• cells

Tags

NGSS.MS-LS1-1

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Which organ is primarily responsible for pumping blood throughout the body?

• heart

• lung

• liver

• kidney

Where does the digestion process begin in the human body?

• stomach

• small intestine

• mouth

• large intestine

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NGSS.MS-LS1-7

What is the main function of hormones in the endocrine system?

• Act as messengers

• 
  Carry oxygen

• Digest food

• Filter blood

Which system is responsible for removing metabolic wastes from the body?

• Circulatory system

• Excretory system

• Respiratory system

• Digestive system

What is the primary function of the lymphatic and immune system?

• To regulate temperature

• To produce hormones

• To protect the body from pathogens

• To digest food

Which type of muscle tissue is found in the heart?

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

• Connective tissue

What is the main role of the nervous system?

• To transport nutrients

• To remove wastes

• To protect from diseases

• To coordinate actions and responses

Which system is directly involved in gas exchange within the lungs?

• Skeletal system

• Muscular system

• Respiratory system

• Circulatory system

How many bones are in the adult human skeleton?

• 305

• 206

• 187

• 150