Unit 1 and 2

Question 1

lymphocytes produce——-

Answer 1

Antibodies

Question 2

heart attack can be caused by a blockage to a blood vessel that supplies the heart tissue
with oxygen.
In which blood vessel does this blockage occur?

Answer 2

Coronary artery

Question 3

Describe the difference that would be found in the ultrastructure of plant cells
that do not carry out photosynthesis.

Answer 3

They would not contain any
chloroplasts

Question 4

Name the organ that produces egg cells

Answer 4

Ovary