which of the following pairs correctly matches a cellular organelle with its function?
Golgi apparatus- protein synthesis
smooth endoplasmic reticulum- energy production
cytoskeleton- movement
cell membrane- storage ✔️✔️cytoskeleton- movement
What is the function of the mitral valve in the heart?
✔️✔️ The mitral valve prevents blood from flowing backward from the left ventricle into the left
atrium.
How do osteoblasts and osteoclasts differ in bone tissue?
✔️✔️ Osteoblasts build new bone tissue, while osteoclasts break down old or damaged bone tissue.
What is the main function of the lymph nodes in the immune system?
✔️✔️ Lymph nodes filter harmful substances and contain immune cells that help fight infection.
Which type of muscle is under voluntary control, and where is it primarily found?
✔️✔️ Skeletal muscle is under voluntary control and is found attached to bones.
What is the primary role of the endocrine glands in the body?
✔️✔️ Endocrine glands release hormones into the bloodstream to regulate various body functions like
growth, metabolism, and mood.
How does the body use antidiuretic hormone (ADH)?
, ✔️✔️ ADH helps the body retain water by reducing urine production in the kidneys, preventing
dehydration.
What part of the respiratory system is responsible for voice production?
✔️✔️ The larynx, or voice box, contains the vocal cords responsible for sound production.
What is the role of the gallbladder in digestion?
✔️✔️ The gallbladder stores and releases bile into the small intestine to aid in the digestion of fats.
What is the main function of the adrenal glands?
✔️✔️ The adrenal glands produce hormones, including adrenaline and cortisol, that help regulate
metabolism, immune response, and stress.
What is the primary function of the large intestine?
✔️✔️ The large intestine absorbs water and electrolytes from indigestible food matter and forms solid
waste.
How do arteries and veins differ in structure and function?
✔️✔️ Arteries have thicker walls to handle high-pressure blood flow from the heart, while veins have
thinner walls and valves to prevent backflow.
What type of cells are responsible for the transmission of nerve impulses?
✔️✔️ Neurons are responsible for transmitting nerve impulses throughout the nervous system.
Which layer of skin contains the blood vessels and nerve endings?
✔️✔️ The dermis layer contains blood vessels, nerve endings, hair follicles, and sweat glands.
How does the diaphragm contribute to breathing?
✔️✔️ The diaphragm contracts and flattens to create space in the thoracic cavity, allowing the lungs
to fill with air during inhalation.