Question

2.
3.
The food, taken in by the humans, stays for about 2 to 3 hours, in the-
stomach
small intestine
food pipe
large intestine
The tube-like structure, attached to the brain is/are known as-
veins
food pipe
spinal cord
The organ, in the human body, which filters out waste products, such as urea,
from the blood, is the-
nerves
4.
kidneys
urinary bladder
lungs
heart
5.
Ovaries are a part of the
nervous system
reproductive system
digestive system
excretory system​

Answer 1

• Stomach

•Spinal cord

•Kidneys

•reproductive system

Answer 2

Explanation:

1. Stomach

2. Spinal cord

3. Kidney

4.Reproductive system