Human Homeostasis Test Correction

In order to maintain homeostasis, the systems of the human body work together to keep a constant internal temperature. Which of the following best describes how the human body responds in a cold environment?

• The digestive system produces hormones to warm the body

• The nervous system signals the muscles of the muscular system to contract and warm the body

• The circulatory system delivers less carbon dioxide to the muscular system, resulting in stiffening of the muscles

• The skeletal system produces more blood cells that circulate through the blood vessels, increasing the warmth of the body

As you are sleeping, which of the following is true about the body systems?

• All of your systems shut down

• All of your systems speed up

• Only your nervous system continues to function

• All of your systems continue to function to maintain homeostasis

Tags

NGSS.HS-LS1-3

Use the table to answer the following question.  The table above shows some diseases that are caused by bacteria. Which two diseases listed in the table affect the digestive system?

• Botulism and typhoid fever

• Tetanus and pneumonia

• Botulism and pneumonia

• Tetanus and typhoid fever

Muscular dystrophy is an inherited disease. Over time, genetic defects weaken skeletal muscles. What problem can weakening skeletal muscles cause?

• loss of bone marrow

• damage to the digestive tract

• difficulty standing and walking

• inability to create blood cells

Tags

NGSS.MS-LS3-1

The cells in the human body are like little factories. In order to grow, repair, and live, the cells need supplies. Which body systems help these cells get the energy they need? Select all that apply

• circulatory system

• immune system

• digestive system

• excretory system

• respiratory system

Tags

NGSS.MS-LS2-3

Karla’s heart rate increases when she sees an alligator. Her nervous system sends messages to her heart causing it to pump faster.

• True

• False

Tags

NGSS.MS-LS1-8

Oxygenated blood is necessary for proper bodily functions. If there isn't enough oxygen in a person's blood they can become light headed, disoriented, and feel extremely tired. If a person has these symptoms, which systems need to work together to correct the problem? Select all that apply.

• Circulatory

• Respiratory

• Immune

• Digestive

What answer choice below best explains the body systems involved in the process of consuming food and distributing the nutrients?

• The digestive system breaks down the food. The circulatory system distributes the food to the rest of the body. The musculoskeletal system extracts the nutrients from the food.

• The musculoskeletal system helps crush and break down the food. The digestive system extracts the nutrients from the food. The circulatory system distributes the nutrients to the rest of the body. 

• The musculoskeletal system extracts the nutrients from the food. The digestive system distributes the nutrients to the rest of the body. The circulatory system crushes and breaks down the food.

• The circulatory system extracts the nutrients from the food. The musculoskeletal system crushes and breaks down the food. The digestive system distributes the nutrients to the rest of the body.

Tags

NGSS.MS-LS1-3

Which statement below best describes how the interaction of two systems causes a human arm to bend?

• The circulatory system sends signals to the nervous system.

• The nervous system sends signals to the musculoskeletal system.

• The circulatory system sends signals to the musculoskeletal system.

• The digestive system sends signals to the nervous system to bend the arm. 

The inability to sweat is called anhidrosis. This condition can cause people to easily overheat, and suffer from heat exhaustion. Which system below is most likely not functioning properly in people with this condition?

• Excretory

• Respiratory

• Digestive

• Immune