BIOLOGY Term 1 and added work 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 pancreas.
Where are lipase produced?
Pancreas.
Where does lipase act?
Small intestines.
What is the substrate digested by lipase?
Fats and oils.
Where are protease-pepsin produced?
Stomach.
Where does protease-pepsin act?
Stomach.
What is the substrate digested by protease-pepsin?
Proteins.
What are the functions of hydrochloric acid?
- Kills harmful microorganisms. 2. Provides acidic pH for optimum enzyme activity.
In which subcellular structure does photosynthesis take place?
Chloroplasts.
What transfers the energy required for photosynthesis to a green pigment?
Light.
The process of photosynthesis is described as ____________ because it requires energy transferred from its surroundings.
Endothermic.
What is 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.
What separates the thorax from the abdomen?
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.