Human Body Review--7th Grade Life Science

by Amy Ridilla

| 35 Questions

1 pt

Homeostasis is vital to an organism because it allows the organism to _____________.

grow at the fastest rate possible

reproduce even when conditions are unfavorable

camouflage against its background

mantain a stable internal environment

1 pt

Which human body system consists of veins, arterities, and the heart?

1 pt

Which two systems of a rabbit’s body must be working together for the rabbit to run away from a fox?

digestive and endocrine

muscular and skeletal

excretory and nervous

excretory and respiration

1 pt

The kidneys, which remove dissolved wastes from the blood, are organs of the

endocrine system

excretory system

skeletal system

nervous system

1 pt

Running is an activity that causes the cells in the muscular system to use oxygen at a faster rate. Which system responds by delivering more oxygen to these cells?

digestive

nervous

cardiovascular

endocrine

1 pt

Which human body systems are directly involved in reflex actions, such as knee jerk, blinking, and jumping when startled?

cardiovascular and respiratory

nervous and muscular

digestive and excretory

reproductive and skeletal

1 pt

Which body system is responsible for the elimination of liquid and gaseous wastes?

nervous

excretory

skeletal

digestive

1 pt

Which three systems of the human body function together to move and control body parts?

nervous, skeletal, and muscular

muscular, endocrine, and excretory

digestive, excretory, and muscular

cardiovascular, endocrine, and bones

1 pt

What are two functions performed by the skeletal system?

protects the body

supports the body

produces waste products

excretes waste products

transports oxygen throughout the body

controls and coordinates all body activities

1 pt

What is the main function of the cardiovascular system?

secrete enzymes

digest proteins

produce hormones

transport materials

1 pt

Which body system typically recognizes, attacks, and destroys foreign cells or substances that may cause diseases?

digestive

immune

excretory

respiratory

1 pt

Which of these best completes the statement about the interaction of the respiratory system with the cardiovascular system?  The lungs add ________________________.

nutrients in the blood

bile to the blood

oxygen to the blood

carbon dioxide to the blood

1 pt

The major organs of the respiratory system are ______________________________. 

liver, stomach, and pancreas

muscles, bones, and skull

trachea, lungs, and diaphragm

heart, blood, and vena cava

1 pt

Which body system produces hormones that regulate body changes?

1 pt

Which component of the blood is responsible for engulfing and digesting bacteria that invade the body?

1 pt

What are the main types of muscular tissue?

veins, arteries, and heart

kidneys, bladder, and urethra

skeletal, cardiac, and smooth

lungs and diapraghm

1 pt

Randy is sick with the flu, and has swollen glands in his neck.  What system is most likely causing the swelling?

1 pt

The organ system that uses blood to carry nutrients and oxygen to the cells of the body is the ______________________________.

1 pt

 As a person exercises, carbon dioxide (CO₂) levels in the blood increase.  This causes the nervous system to signal which of these systems to respond?

respiratory and cardiovascular

digestive and immune

immune and respiratory

cardiovascular and endocrine

1 pt

How do the lungs function within the excretory system?

the lungs exchange oxygen and carbon monoxide

the lungs absorb carbon dioxide from the air

the lungs help to release carbon dioxide while absorbing nutrients

the lungs exchange oxygen and carbon dioxide and release waste products in cells

1 pt

Which of the following systems breaks food into nutrients that can be used by the body? 

1 pt

Which system functions as a communication system in the human body?

1 pt

Which of the following is a direct interaction of the skeletal, muscular, and nervous systems?

feeling tired after eating a meal

movement of a person's arm

healing of a cut on the arm

increased production of hormones

1 pt

Which list gives the correct order of food traveling through the digestive system after it is swallowed?

esophagus, stomach, small intestine, and large intestine

esophagus, stomach, large intestine, and small intestine

small intestine, large intestine, esophagus, and stomach

stomach, esophagus, large intestine, and small intestine

1 pt

Certain body organs are found in pairs. When one organ does not function properly or is removed, the other organ can carry out the important functions. Which body system contains major organs found in pairs?

1 pt

The primary cause of an infectious disease is ___________________________.

lack of vitamins and minerals

damage to a body tissue or organ

other organisms that enter the body

harmful chemicals or radiation

1 pt

The body's first line of defense is _________.

1 pt

How do white blood cells help the human body most?

by fighting disease

by carrying oxygen through the body

by carrying food through the body

by clotting the blood

1 pt

An example of an infectious disease is _______.

influenza

diabetes

cancer

hypertension

1 pt

The central nervous system is made up of the brain and the _________.

1 pt

The diaphragm is a sheet-like muscle located between the chest and abdomen.  How does the diaphragm aid in breathing?

It transfers oxygen to and from blood in the lungs

It has thin surfaces covered with blood vessels that exchange gases within the lungs

It expands the chest cavity, causing the body to inhale.

It provides a path through which air can travel from the throught into the lungs.

1 pt

Describe the interactions between the cardiovascular and respiratory system with regard to the exchange in gases.

1 pt

How was the circulatory system similar to the highway system? You must list at least 3 similarities.