Digestive system
What acid is found in the stomach?
Hydrochloric acid
What molecule is the currency for energy in our bodies?
ATP
What does homeostasis mean?
The process of regulating internal conditions
What is the nerve that transmits information from the eye to brain called?
The optic nerve
What is the word equation for photosynthesis?
Carbon dioxide + water -------> Oxygen + Glucose
What is peristalsis?
The contractual movement of the gut
What is the word equation for respiration?
Oxygen + Glucose -------> Carbon dioxide + Water
What is the control of water levels in the blood called?
Osmoregulation
What neurone connects the sensory and motor neurones in the reflex arc?
Relay neurone
What does the xylem transport?
Water
What are the 2 main functions of bile?
Emulsifies fats and neutralises chyme (food from stomach)
What is the product of anaerobic respiration in humans?
Lactic acid
Where is adrenaline released?
The adrenal gland
What happens to the lens when looking at a close object?
It gets thicker
What do gases enter and exit leaves through?
Stomatal pores
What biological molecule does amylase break down?
Starch
What does ATP stand for?
Adenosine tri phosphate
What happens to veins when it is cold? (Specific word)
Vasoconstriction
Are myelinated or unmyelinated nerves faster?
Myelinated
Which part of the vascular bundle is described as a hollow tube?
The xylem
What three ways are the villi adapted for their purpose?
One cell thick, good blood supply and microvilli
Why do people breathe harder after exercising?
Oxygen debt
What is a difference between hormonal and nervous communication?
Hormonal is widespread, hormonal is slow, hormonal is chemical, Hormonal is long lasting
What are the cells that make up the axon body called?
Schwann cells
What does auxin do to cells in positive phototropism?
Elongates them