Semester Review*

Which of the following best defines organelles?

• Nuclei control the functions of the cell

• A structure in a cell that has a specific function

• The smaller organs in a human

• The part of a cell that does not move or take up space

The nucleus of a cell is like a human brain because

• they both provide energy.

• they both control functions.

• they both remove waste.

• they both provide support.

 Which of the following is a function of the circulatory system?

• To move oxygen from the cells to the lungs to aid in breathing.

• To circulate blood throughout the body to deliver nutrients and pick up waste.

• To circulate nutrients throughout the digestive system so they can be delivered to the nucleus.

• To help the body maintain homeostasis.

Which of the following is a function of the respiratory system?

• To circulate nutrients throughout the digestive system so they can be delivered to the nucleus.

• To produce blood cells to aid in the fighting of bacterial infections

• To exchange gasses between the body and the environment

• To circulate oxygen amongst the cells of the organism

Which body system is shown in the diagram?

• Muscular

• Circulatory

• Nervous

• Skeletal

What is the function of the digestive system?

• Transport and exchange of gasses between the body and the environment.

• Transporting and breaking down large food molecules into smaller molecules so it can be used by the body.

• Transport of nutrients, gasses, wastes, and other substances through the body.

• Transport and defense to remove excess fluid from around organs, producing white blood cells, and absorbing and transporting fats.

Which of the following correctly describes the physical and chemical changes that occur during digestion?

• Physical-when the food is broken down by enzymes and chemical when the food mixes with stomach acids.

• Physical-when food is cut and grinded by teeth and chemical when food is mixed with enzymes in saliva.

• Physical-when food is cut and grinded by teeth and chemical when food is moved from your mouth into your stomach.

• Physical-when food is mixed with saliva and chemical when food is moved from the mouth into the stomach.

In humans, chemical energy in food is transformed into –

• electrical energy during exercise.

• electrical energy during digestion.

• thermal energy during digestion.

•   radiant energy during exercise.

What is the name and function of the body system pictured above? 

• Excretory system: Transport and removal of solid, liquid, and gas waste from the body.

• Circulatory System: Defense and protecting the body from harmful substances in the external environment.

• Excretory System: Transport and breaking down of food into smaller parts so it can be used by the body.

• Respiratory System: Transport and exchange of gasses between the body and the environment.

Which of the following does NOT aid in reproduction?

• Penis

• Vagina

• Bladder

•  Ovaries