Life Systems Practice questions

What is the function of alveoli in the respiratory system?

• They provide the exchange of nutrients and waste products.

• They are tiny finger-like structures that help absorb nutrients.

• They are small air sacs that facilitate the exchange of oxygen and carbon dioxide.

• They carry blood away from the heart to the organs.

What does the cardiovascular system consist of?

• Mouth, esophagus, stomach, intestines

• Oxygen and carbon dioxide

• Heart, blood, and vessels

• Platelets, arteries, and capillaries

What is the role of veins in the cardiovascular system?

• They carry blood back to the heart.

• They carry blood away from the heart to the organs.

• They help transport oxygen, nutrients, and waste products around the body.

• They process food into useable energy.

What is heredity?

• The behaviors or traits that are learned through interaction with the environment.

• The range of different inherited traits within a species.

• The physical characteristics that are passed from parent to offspring.

• A single-cell that performs all functions for life.

Tags

NGSS.MS-LS3-2

Which of the following best describes a multicellular organism?

• An organism with specialized cells that need other specialized cells to function and survive.

• An organism that performs all functions for life with a single cell.

• An organism that has acquired behaviors or traits through interaction with the environment.

• An organism that provides the exchange of oxygen and carbon dioxide.

Tags

NGSS.MS-LS1-3

What is the function of the muscular system?

• It controls the things your body does automatically like breathing and digesting food.

• It collects information and sends messages to your brain.

• It is responsible for movement and has three types: smooth, skeletal, and cardiac.

• It connects bones to each other.

What is the role of the nervous system?

• It attaches muscles to bones.

• It is the "boss" system that controls all of the other systems.

• It provides structure and produces red blood cells with marrow.

• It is where two bones meet.

What is the primary function of the brain stem?

• It is the biggest part of the brain that does all of the thinking.

• It controls the things your body does automatically like breathing, pumping blood, or digesting food.

• It collects information and sends messages to your brain.

• It connects bones to each other.

What is the main purpose of the skeletal system?

• It attaches muscles to bones.

• It is responsible for movement.

• It collects information and sends messages to your brain.

• It protects organs, provides structure, and produces red blood cells with marrow.

What do tendons do?

• They control voluntary movements.

• They attach muscles to bones.

• They connect bones to each other.

• They are the biggest part of the brain.