About how many gallons of blood does your heart pump every day?

• 500

• 1,000

• 2,000

• 5,000

Tags

NGSS.MS-LS1-3

Your heart is located in your chest and protected by your _______.

• rib cage

• lungs

• stomach

• esophagus

What is the chemical formula for the compound commonly known as 'sugar' that is often associated with Valentine's Day sweets?

Tags

NGSS.MS-PS1-1

Which hormone, often called the 'love hormone', is known to increase during romantic activities such as those on Valentine's Day?

• Cortisol

• Oxytocin

• Adrenaline

• Insulin

What is the primary element found in the red pigment of roses, a popular Valentine's Day flower?

• Iron

• Magnesium

• Calcium

• Potassium

Which sense is most directly associated with the perception of chocolate, a common Valentine's Day gift?

• Sight

• Taste

• Hearing

• Touch

Tags

NGSS.MS-LS1-8

What type of bond is primarily responsible for the structure of DNA, which can be metaphorically linked to the 'bonds' of love?

• Ionic bond

• Covalent bond

• Hydrogen bond

• Metallic bond

Which neurotransmitter is known to play a significant role in the feeling of pleasure and reward, often associated with love and affection?

• Serotonin

• Dopamine

• GABA

• Glutamate

What is the process called when plants like roses use sunlight to produce energy, a process that can be linked to the growth of love?

• Respiration

• Photosynthesis

• Fermentation

• Transpiration

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which vitamin, found in high amounts in strawberries, is essential for collagen production and often associated with healthy skin?

• Vitamin A

• Vitamin B12

• Vitamin C

• Vitamin D