BIOLOGY TERM 2 Flashcards
What is the function of bile
Bile helps break down fats for digestion, neutralizes stomach acid in the small intestine, and excretes waste products from the body
In which organs does the digestion of proteins take place.
Stomach, small intestines and pancrease.
- Where are lipase produced
- where does it act
- whats the substrate digested
1.Pancrease
2. small intestines
3. Fats and oils
- Where are protease-pepsin produced
- Where does it act
- Whats the substrate digested.
- Stomach
- stomach
- proteins
The functions of hydrochloric acid.
- breaks down protein molecules
- it provides acidic pH for optimum enzyme activity
The subcellular structure in which photosynthesis takes place
chloroplasts
Light transfers the energy required for photosynthesis to a green pigment called
chlorophyll
The process of photosynthesis is described as ____________ because it requires energy transferred from its surroundings.
endothermic
The correct word summary for photosynthesis
water+carbon dioxide——-> glucose+oxygen
List three organs in the musculoskeletal system
Bones, muscles and cartilage
List three organs in the circulatory system
Heart, blood and blood vessels
List three organs in the respiratory system
Lungs, trachea and nasal cavity
The thorax is separated from the abdomen by the
diaphragm
which structure connects a bronchus to an alveolus
A bronchiole connects a bronchus to an alveolus in the lungs
What does CHD stand for
Coronary heart disease
Name the group of drugs prescribed to patients at high risk of heart disease to reduce cholesterol levels.
statins.
Which substance is transported in the phloem.
Sucrose
What is the movement in phloem called
Translocation
What is ingestion
Food and drinks taken in the body
What is absorption in the digestive system
Small food molecules and ions move through the wall of the intestines into the blood
Function of the pancreas in the digestive system
Amylase, protease and lipase enzymes are produced here before being released into the duodenum
Function of the gall bladder
Stores and releases bile
What is physical digestion
the process of breaking down food into smaller pieces without changing the food’s chemical composition
What is chemical digestion
Chemical digestion is the breakdown of large, insoluble molecules into small, soluble molecules
In which organ is bile produced
Liver
What is assimilation in the digestive system
The uptake and use of nutrients by cells.
