The Human Body

The maintenance of an organism’s internal environment is called:

• compensating
• homeostasis
• balancing
• routine

a body system that controls and coordinates all body activities through electric impulses/messages between brain, spinal cord and nerves.

• endocrine system 
• nervous system
• nerve
• neuron

a body system that controls growth and homeostasis by secreting hormones from glands.

• skeletal system
• nervous system
• endocrine sytem
• integumentary system

The main function of the nervous system

• send messages to and from the brain and spinal cord to and from the body

• break down food to be used by the body

• remove wastes from the body

• all of these

Feedback loops are important because they allow organisms and the environment to

• change based on new inputs

• fall apart

• change based on new outputs

• maintain balance

If the environment gets cold, we will often shiver in order to:

• keep body temperature the same as the external temperature
• decrease body temperature
• increase body temperature
• regulate blood pressure

True/False: Your body cannot make antibodies for pathogens that you have never been in contact with.

• True, because your body needs to encounter the pathogen at least once in order to create the antibodies.

• False, because you can make antibodies via immunizations given by a doctor.

Which type of microbe can be treated with antibiotics?

• Bacteria

• Viruses

• Fungi

• Protists

The ____________________ is the body system that transports oxygen, nutrients, and waste through the body.  

• respiratory system 
• digestive system
• circulatory system 
• immune system

The ___________ are the main organs of the respiratory system. 

• veins
  
• lungs
• arteries
• kidneys