unit 6 test
1. What is the process called when cells use oxygen to produce energy from glucose?
a) Photosynthesis
b) Respiration
c) Fermentation
d) Cellular division
2. Which organelle is responsible for the production of energy in the form of ATP in a cell?
a) Nucleus
b) Mitochondria
c) Golgi apparatus
d) Endoplasmic reticulum
3. What is the function of the circulatory system in the human body?
a) To provide structure and support
b) To control movement and coordination
c) To transport oxygen, nutrients, and waste products throughout the body
d) To produce and release hormones
4. Which of the following is not a component of the lymphatic system?
a) Lymph nodes
b) Spleen
c) Heart
d) Thymus
5. What is the main function of the immune system?
a) To regulate body temperature
b) To digest food and absorb nutrients
c) To protect the body from pathogens and foreign invaders
d) To provide structure and support for the body
6. How does the nervous system communicate with the rest of the body?
a) Through electrical signals sent along nerves
b) Through the release of hormones into the bloodstream
c) Through physical movements of the body
d) Through the process of respiration
7. Which type of muscle is involuntary and found in internal organs?
a) Skeletal muscle
b) Cardiac muscle
c) Smooth muscle
d) Striated muscle
8. What is the purpose of the skeletal system in the human body?
a) To provide protection and support for the body
b) To produce and store blood cells
c) To regulate body temperature
d) To transport oxygen and nutrients throughout the body
9. How does the excretory system help maintain homeostasis in the body?
a) By regulating body temperature
b) By removing waste products and excess fluids from the body
c) By producing and releasing hormones
d) By providing structure and support for the body
10. Which system is responsible for breaking down food and absorbing nutrients into the body?
a) Digestive system
b) Respiratory system
c) Endocrine system
d) Reproductive system