Exchange and Transport

Explain the features on one heartbeat on an ecg

How do you calculate heart rate

What is the normal range at rest for an adult heart rate

What is fibrillation

Describe an artery

Describe a capillary

Describe a vein

What is tissue fluid

What is the difference between a source and a sink

What is a capillary bed

What is translocation

Give an example of translocation

How do enzymes maintain a concentration gradient from source to sink

What are assimilates

Describe the start of a capilalry bed

What is transpiration

How does light affect transpiration rate

Describe the end of a capillary bed

How does temperature affect transpiration rate

How does humidity affect transpiration rate

Give a difference between blood and tissue fluid

How does wind affect transpiration rate

Name 4 precautions to take when setting up a potometer

Name 4 adaptations of xerophytic plants

What does a potometer test

What is the lymphatic system

Why does rate of transpiration fluctuate at different times of the day

How does water enter a plant

Describe haemoglobin

Does soil have a high water potential or low

Do leaves had a high or low water potential

Describe the symplast pathway

Describe the apoplast pathway

Outline the association and disassociation of oxygen

What is a transpiration stream

What is association of oxygen

What is cohesion

What is tension

What is disassociation

What is adhesion

What is affinity for oxygen

What is the casparian strip

What are mesophyll cells

What is the affect of air bubbles in the xylem

What is partial pressure of oxygen pO2

Why do plants need transport systems

How does pO2 affect haemoglobin's affinity for oxygen

What is lignin

Where is there a high pO2

What are pits in the xylem vessel

Where is there a low pO2

What is the purpose of having no end walls in xylem vessels

What does an oxygen dissociation curve show

What are xylem vessels formed of

What are dictoyledonous plants

How is phloem formed

Why are disassociation curves S shaped instead of a straight line

What living cells are in the phloem

Describe sieve tube elements

Describe companion cells

Why does fetal haemoglobin have a higher affinity for oxygen than adult haemoglobin

Are the sugars transported in the phloem whole or dissolved

What is a single circulatory system

What is a double circulatory system

What is the partial pressure of carbon dioxide pCO2

What is a closed circulatory system and give an example

How does pCO2 affect disassociation of oxygen from oxyhb

What is an open circulatory system and give an example

Name features of the right side of the heart

Name features of the left side of the heart

Outline the bohr effect

What is the purpose of heart valves

Why is the heart muscle thicker on the left

What is the main advantage of the bohr effect

What is the word equation for aerobic respiration

What is the purpose of coronary arteries

What is hydrostatic pressure

Give the brief sequence of the cardiac cycle

What is the SAN

What is the purpose of non-conducting collagen tissue in the heart

What is the AVN

What is the bundle of HIS

What is the purkyne tissue

What is an elecctrocardiograph

What is an electrocardiogram