Life Functions Quiz

What is the process by which cells break down glucose to release energy?

• mitosis

• fermentation

• photosynthesis

• cellular respiration

What is the process by which food is broken down into simpler substances that can be absorbed by cells?

• respiration

• absorption

• digestion

• excretion

What is the movement of blood through the body to transport oxygen, nutrients, and waste products?

• circulation

• respiration

• digestion

• excretion

What is the process by which waste products are removed from the body?

• elimination

• excretion

• secretion

• absorption

What is the process by which organisms produce offspring?

• respiration

• reproduction

• photosynthesis

• fertilization

Which life function involves the exchange of gases between an organism and its environment?

• respiration

• photosynthesis

• digestion

• circulation

What is the process by which nutrients are absorbed into the bloodstream?

• circulation

• digestion

• excretion

• respiration

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

• The function of the heart in the circulatory system is to filter blood.

• The function of the heart in the circulatory system is to store nutrients.

• The function of the heart in the circulatory system is to pump blood.

• The function of the heart in the circulatory system is to produce oxygen.

Which organ is responsible for filtering waste products from the blood?

• kidney

• stomach

• heart

• liver

What is the purpose of the reproductive system?

• To aid in digestion

• To provide structural support

• To regulate body temperature

• To facilitate the production of offspring and ensure the continuation of the species.