How does our body respond when adrenaline is secreted into the blood?

(a) Write the names of five endocrine glands found in the human body. Name the hormones secreted by each gland. (b) How do hormones reach the organs they control? (c) Name the gland which controls the secretion of hormones from the pituitary. (d) How does our body respond when adrenaline is secreted in large amounts into the blood? (e) Name the disease which occurs in adults due to the deficiency of iodine in the diet. what is the main symptom of this disease?

(a) How does the human body respond when vaccine is introduced in it? (b) It is said that vaccinations are must for a healthy society. Justify.

How does sweat cool our body ?

Does our blood have proteases and nucleases?

Name the following: The metal which is present in our body in red blood corpuscles and whose deficiency in the body causes anaemia.

________ are the chemical messengers that are secreted into the blood directly.

(a) How many types of blood vessels are there in the human body ? Name them (b) Why does the heart need valves ?

The antibodies in the blood are secreted by

How does microorganisms enter into our body?