8th Grade Science Final Exam Review Homework

Order the systems from simplest to most complex.

• organs, tissues, cells, organ systems

• organs, tissues, cells, organ systems

• cells, tissues, organs, organ systems

• tissues, organs, organ systems, cells

Tags

NGSS.MS-LS1-3

An athlete’s body temperature increases. During the workout they sweat which lowers body temperature. This is an example of ____________________.

• homeostasis

• photosynthesis

• osmosis

• mutation

After we eat food, absorption of nutrients occurs in the ______ intestine.

• itty bitty

• large

• thick

• small

During digestion, the body reabsorbs water in the ________________ intestine. (F on the diagram)

• small

• large

• thin

• short

Bile aids in the digestion of ______.

• fats

• proteins

• carbohydrates

• vitamins

The ____________________ blood cells transport oxygen in our bodies.

• plasma

• white

• platelet

• red

In the blood, ____________ transports wastes and __________ throughout our body.

• plasma, nutrients

• red blood cells, oxygen

• white blood cells, hormones

• platelets, enzymes

Arteries carry oxygenated blood ________________ from the heart.

• goes

• towards

• away

• beneath

The human respiratory system is responsible for removing ________________ ________________ from the blood.

• carbon dioxide

• oxygen

• glucose

• nitrogen

The ________________ system works to remove waste from our body.

• digestive

• respiratory

• excretory

• circulatory