.A ventricle is one of the two lower chambers of the heart that perform most of the heart's pumping action. The right ventricle pumps blood into the lungs to receive oxygen. The left ventricle pumps oxygen-rich blood through the aorta to all parts of
1 of 12
Where does the pulmonary artery take blood to?
lungs
2 of 12
Describe two ways the healthy artery is different from the artery affected by coronary heart disease.
no fatty deposit healthy artery is wider / bigger hole / has more blood flow
3 of 12
What can be used to treat people with coronary heart disease?
statins and stent
4 of 12
sensory definition
neurones carry signals from receptors to the spinal cord and brain
5 of 12
relay definition
neurones carry messages from one part of the CNS to another
6 of 12
motor definitions
neurons carry signals from the CNS to effectors.
7 of 12
Cornea
Front part of the tough outer coat, the sclera. It is convex and transparent.THE FUNCTION =
8 of 12
Iris
Pigmented - decides the colour of your eyes - so light cannot pass through. Its muscles contract and relax to alter the size of its central hole or pupil.
9 of 12
Retina
The lining of the back of eye containing two types of photoreceptor cells - rods - sensitive to dim light and black and white - and cones - sensitive to colour. A small area called the fovea in the middle of the retina has many more cones than rods.
10 of 12
Photosynthesis
otosynthesis is the chemical change which happens in the leaves of green plants. It is the first step towards making food - not just for plants but ultimately every animal on the planet.
Comments
No comments have yet been made