Homeostasis in body systems

which is the correct order (largest to smallest):

• organ, tissues, cells, organism, organelle

• cells, organelle, tissue, organ, organism

• organism, organ, tissue, cell, organelle

• organelle, organ, organism, cell, tissue

When you need more oxygen, how would your circulatory system respond?

• more blood gets sent to the lungs & less to other parts of the body

• the blood vessels to the legs & arms expand to use oxygen

• blood vessels move more slowly through the organs to carry away more waste

• the heart beats faster to get more oxygenated blood to your organs

What is the primary role of the endocrine system?

• to coordinate movement

• to remove wastes

• to produce chemical messages that affect other parts of the body

• to defend the body

An organelle in a cell, like the paramecium, that excretes waste, like your excretory system, would be which of the following:

• lysosome

• vacuole

• mitochondrion

• ribosome

When the circulatory & respiratory system work together to provide your whole body with oxygen, which organelle in your cells will use this oxygen?

• nucleus

• ribosome

• golgi apparatus

• mitochondria

The digestive system breaks down food, which organelle in cells has the same function- to break down food/nutrients?

• lysosome

• endoplasmic reticulium

• ribosome

• vacuole

On a hot dry day, a plant will.....

• open the stomata to allow water to come in

• open the stomata to release the build up of carbon dioxide

• close the stomata to conserve water inside the plant

• close the stomata to keep oxygen inside the plant

A traffic light engineer designing a traffic light system will conduct a vehicle count of the intersection during which step of the engineering design process?

• gathering information

• analyzing the solution

• generating multiple solutions

• selecting an appropriate solution

Which is an example of feedback in a biological system?

• the use of energy when muscles contract

• the movement of salts from cells into the bloodstream

• the decrease on oxygen levels in the blood after vigorous exercise

• the release of insulin into the bloodstream when blood sugar increases

The main purpose of the ____________ system is to break food particles into nutrients that can be used by body tissues for energy, building structures, defending itself, etc.

• circulatory

• respiratory

• digestive

• skeletal

Tags

NGSS.MS-LS1-7