Human Body Systems Review

Why could the lungs be considered part of the excretory system?

• They help us breathe.

• They help us bring in oxygen.

• They help us remove carbon dioxide.

• They help us remove oxygen.

Place the words below in order from the smallest to largest level of organization:

• Organs, tissues, cells, organ systems

• Cells, tissues, organs, organ systems

• Organ systems, organs, tissues, cells

• Cells, tissues, organ systems, organs

Tags

NGSS.MS-LS1-3

Chewing food is an example of ________________________ digestion.

Your heart is a powerful, fist-shaped muscle that beats 100,000 times a day to power the circulatory system. Which of the following are functions of the circulatory system? Choose the THREE that apply.

• bringing nutrients and oxygen to cells

• removing oxygen from cells

• breaking down nutrients

• helping fight off diseases and infections

• removing wastes from the body

The main purpose of homeostasis is to...

• Fight disease-causing organisms

• Keep internal conditions stable

• Produce offspring

• Replicate DNA

Tags

NGSS.HS-LS1-3

Nervous tissue makes up most of the

• Lungs

• Kidneys

• Brain

• Stomach

Tags

NGSS.MS-LS1-3

How does the hormone insulin help maintain homeostasis in the human body?

• It helps cells absorb sugar from the blood after you eat and digest food.

• It stimulates the production of sweat on a hot day to cool the body.

• It controls the contractions of cardiac muscles when you work out.

• It keeps the level of carbon dioxide in the blood within a narrow range.

Tags

NGSS.HS-LS1-3

Oxygen-poor blood flows from the heart to the

• Kidneys.

• Cells of the body.

• Lungs.

• Liver.

As blood passes by cells of the body, it

• releases oxygen.

• releases carbon dioxide.

• absorbs energy.

• absorbs nutrients

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

Blood in an atrium always flows next to

• a ventricle.

• an artery.

• the lungs.

• a vein.