3 Circle the correct answer. 0 When you exercise, your muscles become blood becomes bigger and stronger. 1 The heart / bone is a big muscle and it beats about 100,000 times a day. 2 The brain / Blood is red and it goes to all parts of the body. 3 The hearts / bones in your legs and arms are the longest in your body. 4 Do intelligent animals have a big brain / blood?

Instructions:

Circle the correct word in each sentence.

Sentences:

• 0 When you exercise, your muscles become bigger and stronger.
• 1 The heart is a big muscle and it beats about 100,000 times a day.
• 2 Blood is red and it goes to all parts of the body.
• 3 The bones in your legs and arms are the longest in your body.
• 4 Do intelligent animals have a big brain?