Digestive system
When does food become chyme
In the stomach when chemicals form a soupy mixture
Where are your hamstrings
In your thighs
What is sebaceous gland?
A gland in the skin that secretes oil into follicles
Enzyme
Substances that speed up chemical reactions
What is a joint?
Where two or more bones come together
To break up large fat droplets into smaller ones
What are the three macronutrients?
Proteins, fats, carbs?
What are the 4 functions of hair and nails?
Protects scalp, provides insulation, prevent debris from entering the body, protects the tips of fingers and toes
Eczema?
A skin condition that causes the skin to become red, swollen, hot and itchy
What are the two types of bone marrow?
Red and yellow
Three functions of the digestive system
Digestion, absorption, elimination
Four chambers of the heart?
Left ventricle, right ventricle, left atrium, right atrium
Three functions of skin?
Protection, temperature regulation, information gathering
Keratin
A protein that makes the skin tough and waterproof- makes up hair and nails
Me What type of joint allows you to move your arm in a circle?
Ball and socket
what is the purpose of Villi
to absorb nutrient molecules
What is proprioception
The ability to sense movement
What causes melanoma?
Overexposure to UV radiation
Peristalsis
Waves of muscle contraction to push food through the rest of the digestive system
What are two of the function of bones?
Store minerals, produce blood cells, support the body, protect organs
What is the epiglottis
Flap of tissue that seals off the trachea when swallowing to prevent food from entering the lungs
Name two benefits of physical activities
Mental health, lower stress
What are the three layers of skin?
Epidermis, dermis, hypodermis
Ossification
Cartilage forming into bone
Five main roles of the skeletal system
Provide support, protect organs, allow movement, store and produce materials the body needs.