1.In which condition would a plant lose most water by transpiration?
A. cool and dry C. hot and dry
B. cool and humid D. hot and humid
C. hot and dry
1. Which chamber of the heart pumps blood into the aorta?
A. left atrium
B. left ventricle
C. right atrium
D. right ventricle
B. left ventricle
6. Water passes into a root____cell by ____.
a) hair
b) osmosis
6. Name the functions of;a) phagocytes
b) lymphocyte
c)red blood cell
a)phagocytes: ingest\ digest bacteria
b) lymphocyte: produce\release antibodies
c) red blood cells: transport oxygen
11. State the function of the phloem in the plant.
It transports sucrose and amino acids from the leaves which are used to make new cells at the root tip.
2. Which absorbs water from the soil?
A. cuticle C. root hairs
B. mesophyll D. xylem vessels
C. root hairs
2. Arterioles are blood vessels that transport blood from...
Arteries to capillaries
7. A root hair cell has a ____ surface____ for taking up water and mineral ions.
a)large
b)area
7.What is the pulse?
regular swelling of arteries in response to contraction of the heart.
12. State the function of the xylem.
The xylem transports water and ions up the root.
3. Which statement explains the movement of water from the stem and into leaf cells?
A. mesophyll down a water potential gradient
B. phloem down a water potential gradient
C.Xylem down a water potential gradient
D. xylem from low water potential to high water potential
C. xylem down a water potential potential
3. Blood capillaries are exchange vessels. They permit the exchange of substances between....
Plasma and tissue fluids
8. Water is lost from the leaves by____.
8.What happens to the pulse rate during and after exercise?
During exercise, the pulse rate increases. Right after exercise the pulse remains high.
13. State the functions of the root cap.
The root cap protects the root tip as it grows through the soil.
4. Vertebrates have a transport system made up of a ____ and ____.
a) heart
b) blood vessels
4. What is a way to prevent coronary heart disease?
taking more exercise
9.This is controlled by the opening and closing of the ____.
Stomata
9.State another way in which the health of the heart can be monitored.
Closing of valves.
14. State the function of the cortex.
The cortex stores some food as starch.
5. What is the name of the transport system that move fluids through tubes so that all of the fluids move in the same direction within each tube?
Mass flow
5. What are the functions of tissue fluid?
They help substances to diffuse into and out of cells.
10. Why are xylem vessels like pipes?
10. State 1 more way in which the health of the heart can be monitored.
Listening to the heart beat.
15.State the functions of root hairs.
Root hairs absorb water and mineral ions.