Monday, January 13, 2014
LIFE'S INTERNAL SECRETS
Assimilation.
Autotrophic
nutrition.
Blood pressure.
Cellular or
internal respiration.
Circulation.
Digestion.
Mode of
nutrition.
Respiration.
Transpiration.
Transportation.
Breathing rate
increases during vigorous exercising.
Translocation is
needed in all higher plants.
The plants are
kept in dark before determining the factory essential for photosynthesis.
It is necessary
to separate oxygenated blood from the deoxygenated blood in mammals.
Amphibians and
reptiles have three chambered heart.
Digestion of
food starts in the mouth itself.
Effect of root
pressure is important during night.
Human heart has
four chambers.
Rate of
breathing is faster in aquatic animals.
The walls of the
arteries are thick and elastic.
Unwanted and
harmful waste products need to be eliminated from the body.
Human excretory
sytem [Diagram]
Human
respiratory system (breathing system) [Diagram]
Vertical section
of the human heart. [Diagram]
Digestive
glands. Vertical section of kidney, Villi [Diagram]
Human digestive
system. [Diagram]
Absorption by
roots. [Diagram]
How are fats
digested in the human body?
What would be
the consequences of deficiency of haemoglobin in the human body?
How do plants
get rid of their excretory products?
Given below are
the end products of different reactions involving glucose. Write the reaction
number in front of the following:
Explain the
process of translocation in plants.
Explain the
structure and function of a nephron.
Describe the
exchange of gases in aquatic animals.
Describe the
mechanism of breathing in human beings.
Herbivores
(grass eating) animals need longer small intestine. Carnivores like tigers
(meat eating) have shorter small intestine. Which type of food is difficult to
digest)?
How are
nutrients classified based on their chemical nature ?
How are
nutrients classified based on their functions ?
What happens to
the food in the large intestine ?
What happens to
the food in the mouth ?
What is
respiration ? Explain the phases of respiration.
What is
respiration ? What are its types ?
Describe the
double circulation of blood.
Describe the
excretory system in human beings.
Describe the
network of tubes (blood vessels) in human body.
Describe the
structure of human heart.
Explain how food
is digested in the small intestine.
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