7th Grade Human Body Systems

Question 1

When Javier exercise he need muscle to cells receive more oxygen?

Accepted Answer

increasing the rate his heart beats

Question 2

Which example shows a chemical change to food during digestion?

Accepted Answer

enzymes breaking down food

Question 3

A nucleus of the cell controls cell activity & body system performs a similar function in human

Accepted Answer

central nervous systes

Question 4

Which system breaks food down into molecules that are used by our body’s cells.

Accepted Answer

digestive system

Question 5

The human body is able to meet the needs of the muscle cells during exercise by increasing

Accepted Answer

circulation

Question 6

What is a job of white blood cells?

Accepted Answer

fight disease

Question 7

The mouth, esophagus, and stomach are all parts of which system?

Accepted Answer

digestive

Question 8

The nose, mouth, and diaphragm are parts of which body system?

Accepted Answer

respiratory

Question 9

What is an important function of the circulatory system?

Accepted Answer

carrying oxygen to cells

Question 10

The brain and spinal cord are parts of which body system?

Accepted Answer

nervous

Question 11

Which body system helps to deliver nutrients & hormones, remove excess wastes & exchange gases.

Accepted Answer

circulatory

Question 12

Heart disease can result in a reduced amount of oxygen moving properly that affect which system

Accepted Answer

circulatory

Question 13

This system is the collection of glands that produce hormones that regulate metabolism & growth

Accepted Answer

endocrine system

Question 14

Once food is absorbed, what system is responsible for carrying the nutrients to the body cells

Accepted Answer

circulatory system

Question 15

Why does the brain of mammals keep track of the temperature of the skin and the blood?

Accepted Answer

maintain a stable body temperature

Question 16

This system work with human body & along with the skeletal system to assist movement & posture

Accepted Answer

muscular

Question 17

What is the main relationship between the trachea, bronchioles, and alveoli?

Accepted Answer

They work together to maintain oxygen level in the blood.

Question 18

A gastroenterologist is a doctor who treats problems of the esophagus, stomach, and intestines

Accepted Answer

digestive

Question 19

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

Accepted Answer

circulatory system

Question 20

Which body system is most affected by a disease that causes the bones to become weak & brittle?

Accepted Answer

skeletal

Questions 20