Unit 7 Review

Which of the following systems is responsible for breaking down and absorbing food particles?

• respiratory

• digestive

• endocrine

• circulatory

What are molecules of protein broken down into?

• simple sugars

• carbohydrates

• amino acids

• lipids

Why must starch be broken down into simple sugars by the digestive system?

• Starch is too small to be digested by the body.

• Simple sugars can then be used to make lipids.

• Starch is only found in animal cells.

• Starch is too large to pass through cell membranes.

Which type of molecules help to digest food particles?

• enzymes

• lipids

• nucleic acids

• ribosomes

Which of the following body systems is responsible for gas exchange between the body and the environment?

• excretory

• digestive

• respiratory

• endocrine

Which of the following systems is NOT necessary for the production of ATP?

• respiratory

• reproductive

• digestive

• circulatory

Which body system is responsible for transport of materials around the body?

• circulatory

• nervous

• endocrine

• digestive

Which of the following body systems is responsible for removing metabolic wastes from the body?

• endocrine

• excretory

• digestive

• musculoskeletal

Which two body systems are responsible for regulating the body and responding to stimuli?

• respiratory and circulatory

• endocrine and exocrine

• nervous and endocrine

• circulatory and nervous

Chemical messengers include both

• hormones and neurotransmitters

• peptides and salts

• enzymes and hormones

• tendons and ligaments