Physiology questions and 100%
verified answers answers
What is the main function of the cell membrane?
✔️✔️ It controls what enters and leaves the cell
What type of tissue is responsible for movement in the body?
✔️✔️ Muscle tissue
What organ pumps blood throughout the body?
✔️✔️ The heart
What is the smallest unit of life in the human body?
✔️✔️ The cell
What system removes waste from the body through urine?
✔️✔️ The urinary system
What part of the brain controls balance and coordination?
✔️✔️ The cerebellum
What is the function of red blood cells?
✔️✔️ To transport oxygen
What type of joint allows movement in many directions, like the shoulder?
✔️✔️ Ball and socket joint
What is the main role of the digestive system?
✔️✔️ To break down food and absorb nutrients
What is the protective outer layer of the skin called?
✔️✔️ The epidermis
What gas do humans breathe in for survival?
✔️✔️ Oxygen
What is the function of the skeleton?
✔️✔️ To support the body and protect organs
1
, What is the largest organ in the human body?
✔️✔️ The skin
What does the nervous system use to send signals?
✔️✔️ Electrical impulses
What is the function of white blood cells?
✔️✔️ To fight infection
What organ is responsible for filtering blood?
✔️✔️ The kidneys
What type of muscle is found in the heart?
✔️✔️ Cardiac muscle
What is the main function of the lungs?
✔️✔️ Gas exchange (oxygen in, carbon dioxide out)
What system controls hormones in the body?
✔️✔️ The endocrine system
What is the basic function of enzymes?
✔️✔️ To speed up chemical reactions
What structure connects muscles to bones?
✔️✔️ Tendons
What structure connects bones to other bones?
✔️✔️ Ligaments
What is the function of the spinal cord?
✔️✔️ To transmit messages between the brain and body
What part of the eye controls the amount of light entering?
✔️✔️ The iris
What is the main function of the liver?
✔️✔️ To detoxify substances and process nutrients
What type of blood vessel carries blood away from the heart?
✔️✔️ Arteries
What type of blood vessel carries blood back to the heart?
✔️✔️ Veins
2