🫀 Anatomy
What organ pumps blood throughout the human body?
Heart
What molecule carries genetic information in most living organisms?
DNA
What is the chemical symbol for oxygen?
O
What medical professional specializes in the health of children?
Pediatrician
What does the “M” in STEM stand for?
Mathematics
How many chambers are in the human heart?
4
What organelle is commonly called the “powerhouse of the cell”?
Mitochondrion / mitochondria
A solution with a pH below 7 is classified as what?
Acidic
What instrument is commonly used to listen to heart and lung sounds?
Stethoscope
What force pulls objects toward the Earth?
Gravity
What is the largest organ of the human body?
Skin
During which phase of mitosis do chromosomes line up at the cell's equator?
Metaphase
How many protons does a carbon atom have?
6
What hormone helps lower blood glucose leve
Insulin
What is the SI unit of electrical resistance?
Ohm (Ω)
What valve separates the left atrium from the left ventricle?
Mitral (bicuspid) valve
What enzyme unwinds the DNA double helix during DNA replication?
Helicase
What type of bond involves the sharing of electron pairs between atoms?
Covalent bond
What is the medical term for an abnormally fast heart rate, typically over 100 beats per minute in a resting adult?
Tachycardia
What is the approximate speed of light in a vacuum?
3 × 10⁸ m/s
What is the longest and largest nerve in the human body?
Sciatic nerve
What process allows bacteria to take up free DNA directly from their environment?
Transformation
What is the molecular geometry of methane, CH₄?
Tetrahedral
What part of the brain is primarily responsible for coordinating balance and voluntary movement?
Cerebellum
What principle states that the position and momentum of a particle cannot both be known with perfect precision?
Heisenberg uncertainty principle