Edexcel AS Biology 5

Welcome to your Edexcel AS Biology 5

What happens when carbon monoxide concentration increases in the blood?

Select the correct statement regarding lung cancer.

Which of the following occurs during the process of expiration?

Treatment options for lung cancer is dependant on the following factors.
a. Type of lung cancer.
b. Occurance of metastasis.
c. History of genetic diseases.
d. Severity of the disease.

Which of the following methods are used to locate tumours in the lungs?

Which is not an effect of nicotine?

A complex lipid absorbed by the small intestine with the help of micelles.

Which of the following is not essential for the external respiration of vertebrates?

The role of micelles in the digestive system.

Which compound is formed when carbon monoxide combines with haemoglobin?

Choose the correct sequence of structures in which the air passes through upon entering the nose.

Bile salts are formed in the ______ and secreted by the _________.

Which type of cells produce mucus in trachea and bronchi?

Pure micelles consist of only ________.

What is the first step of inspiration?

The 2 components of tobacco smoke that cause short term effects on the cardiovascular system.

A type of muscle which is not used in respiration.

Which is not an adaptation of xerophytic plants to reduce water loss?

Select the incorrect statement regarding gills.

Which of the following is a treatment option for lung cancer?
a. Radiotherapy
b. Surgery
c. Organ transplant
d. Chemotherapy e.Cryotherapy