7th Grade Human Body 2

Question 1

In the human body, the breaking down of food into simple substances occurs in the

Accepted Answer

digestive system.

Question 2

This organ helps to regulate body temperature.

Accepted Answer

skin

Question 3

A sac-like muscular organ which stores urine until it is released from the body is the-

Accepted Answer

bladder

Question 4

Which statement best describes how the circulatory and urinary systems work together?

Accepted Answer

The urinary system filters wastes from the blood.

Question 5

Which body system is directly threatened when bacteria infect the lungs?

Accepted Answer

respiratory

Question 6

Which system works with the skeletal system by pulling on the bones to create movement?

Accepted Answer

muscular

Question 7

Which system absorbs and carries food from the digestive system to the rest of the body?

Accepted Answer

circulatory system

Question 8

Which part of the body works with the digestive system to transport nutrients to the cells?

Accepted Answer

blood

Question 9

The transport tube that carries chewed food to the stomach is the-

Accepted Answer

esophagus

Question 10

The brain, spinal cord, and nerves are organs that perform which primary function?

Accepted Answer

conducting messages to coordinate body functions

Question 11

The production of sweat is typically a response to an increase in the body’s

Accepted Answer

temperature

Question 12

During digestion, strong acids are added to food to help break down the food chemically.

Accepted Answer

stomach

Question 13

What carries carbon dioxide-enriched blood back to the heart?

Accepted Answer

veins

Question 14

Which best describes a function of veins in the circulatory system?

Accepted Answer

carrying blood from the body to the heart

Question 15

Which is a major organ of the nervous system?

Accepted Answer

brain

Question 16

Which human organ system primarily exchanges gases between the body and the atmosphere?

Accepted Answer

respiratory

Question 17

Nerve cells transmitting messages to the body best demonstrate which primary function?

Accepted Answer

the transfer of energy

Question 18

Which of these is a band of tough, elatic tissue that connect muscle to bone?

Accepted Answer

tendon

Question 19

Which is one reason why the heart pumps faster during exercise?

Accepted Answer

the elevated demand for fuel and oxygen in the muscles

Question 20

Cellular respiration breaks down sugar molecules. What results from this process?

Accepted Answer

release of energy

Question 21

The skin is the largest organ in the human body. Why is skin considered to be an organ?

Accepted Answer

It is made of tissues.

Question 22

What sends oxygen-rich blood to all parts of the body?

Accepted Answer

arteries

Question 23

When a person’s arm touches something, which body system alerts the muscles to react?

Accepted Answer

Nervous

Question 24

When blood that is high in carbon dioxide exits the heart, it enters which body system?

Accepted Answer

respiratory

Question 25

What carries oxygen enriched blood from the heart?

Accepted Answer

arteries

Question 26

What is the main function of thr respiratory system?

Accepted Answer

to provide gas exchange between the blood and the air

Question 27

Which organ removes water from food?

Accepted Answer

large intestine

Question 28

What systems are involved-waste and water are removed from blood as it flows through kidneys?

Accepted Answer

urinary and circulatory

Question 29

Which system of the body works with the skeletal system with movement and maintaining posture?

Accepted Answer

muscular

Question 30

Which organ is responible for the constant pumping of blood?

Accepted Answer

heart

Question 31

A group of cells performing the same function in the body is called...

Accepted Answer

a tissue.

Question 32

Why does blood make a complete loop throughout the body?

Accepted Answer

to carry nutrients throughout the body and remove wastes

Question 33

What are a group of similar cells with similar functions called?

Accepted Answer

tissues

7th Grade Human Body 2

Questions 33

7th Grade Human Body 2

Questions 33