Kidney and its role

1.Draw and label the longitudinal section of kidney.

2. Draw and label a structure of nephrone

3.What is  the two role of kidney?

4. Explain the formation of urine.

5. Discuss the following process:

- Ultrafiltration

-Reabsorption

-Secretion

Alzheimer's Disease

What is Alzheimer's disease?

Who suffers this disease?

When?

Why?

How?...to prevent? to treat ?

Reflex Arc

Answer the following Questions :

1. What is Reflex Action ?

2. What is Reflex Arc?

3. Explain Knee Jerk action.

Spinal Cord

Spinal cord is a part of Central Nervous System.

Take note of the important structures such as:

1. Grey matter

2. Dorsal Root Ganglion