PBS Semester 1 Final Review

Front

What happens to ocean-dwelling fish in freshwater?

Back

Freshwater is hypotonic to Nemo's cells, causing water to enter them, leading to swelling and potential bursting.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Front

How many chambers are in the human heart?

Back

There are 4 chambers in the human heart.

Front

What is the spinal cord?

Back

The spinal cord is the main pathway for information connecting the brain and peripheral nervous system.

Tags

NGSS.MS-LS1-3

Front

What are the main functions of the digestive system?

Back

The main functions of the digestive system are absorption, elimination, and digestion.

Front

What is the muscular tube that moves food from the pharynx to the stomach?

Back

The esophagus is the muscular tube that moves food from the pharynx to the stomach.

Front

Define hypotonic solution.

Back

A hypotonic solution has a lower concentration of solutes compared to another solution, causing cells to swell.

Front

Define hypertonic solution.

Back

A hypertonic solution has a higher concentration of solutes compared to another solution, causing cells to shrink.

Front

What is the role of the heart in the circulatory system?

Back

The heart pumps blood throughout the body, supplying oxygen and nutrients while removing waste.

Front

What is digestion?

Back

Digestion is the process of breaking down food into smaller components that can be absorbed by the body.

Tags

NGSS.MS-LS1-7

Front

What is absorption in the context of the digestive system?

Back

Absorption is the process by which nutrients from digested food are taken into the bloodstream.